Remove old and unused agcc and gcc34 subdirs.

41 files changed, 0 insertions, 6789 deletions

diff --git a/ortho/agcc/Makefile.inc b/ortho/agcc/Makefile.inc
deleted file mode 100644
index b5da6f0..0000000
--- a/ortho/agcc/Makefile.inc
+++ /dev/null
@@ -1,112 +0,0 @@
-#  -*- Makefile -*- for agcc, the Ada binding for GCC internals.
-#  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-#
-#  GHDL 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, or (at your option) any later
-#  version.
-#
-#  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-#  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-#  02111-1307, USA.
-
-# Variable used:
-# AGCC_GCCSRC_DIR: the gcc source base directory (ie gcc-X.Y.Z-objs/)
-# AGCC_GCCOBJ_DIR: the gcc objects base directory
-# agcc_srcdir: the agcc source directory
-# agcc_objdir: the agcc object directory
-
-AGCC_INC_FLAGS=-I$(AGCC_GCCOBJ_DIR)/gcc -I$(AGCC_GCCSRC_DIR)/include \
- -I$(AGCC_GCCSRC_DIR)/gcc -I$(AGCC_GCCSRC_DIR)/gcc/config
-AGCC_CFLAGS=-g -DIN_GCC $(AGCC_INC_FLAGS)
-
-AGCC_LOCAL_OBJS=agcc-bindings.o agcc-version.o
-
-AGCC_DEPS := $(agcc_srcdir)/agcc-trees.ads \
-  $(agcc_srcdir)/agcc-hwint.ads \
-  $(agcc_srcdir)/agcc-hconfig.ads \
-  $(agcc_srcdir)/agcc-real.ads \
-  $(agcc_srcdir)/agcc-machmode.ads \
-  $(agcc_srcdir)/agcc-tm.ads \
-  $(agcc_srcdir)/agcc-options.ads \
-  $(AGCC_LOCAL_OBJS)
-AGCC_OBJS := $(AGCC_LOCAL_OBJS) \
-	$(AGCC_GCCOBJ_DIR)/gcc/toplev.o \
-	$(AGCC_GCCOBJ_DIR)/gcc/c-convert.o \
-	$(AGCC_GCCOBJ_DIR)/gcc/libbackend.a \
-	$(AGCC_GCCOBJ_DIR)/libiberty/libiberty.a
-
-# Set rights to prevent editing.
-GENERATE_VIA_GEN_TREE=\
-  $(RM) -f $@ && \
-  $(agcc_objdir)/gen_tree -C $(AGCC_GCCOBJ_DIR)/gcc - < $< > $@ && \
-  chmod a-w $@
-
-$(agcc_srcdir)/agcc-trees.ads: $(agcc_srcdir)/agcc-trees.ads.in \
-   $(agcc_objdir)/gen_tree
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-hwint.ads: $(agcc_srcdir)/agcc-hwint.ads.in \
-   $(agcc_objdir)/gen_tree
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-hconfig.ads: $(agcc_srcdir)/agcc-hconfig.ads.in \
-   $(agcc_objdir)/gen_tree
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-real.ads: $(agcc_srcdir)/agcc-real.ads.in \
-   $(agcc_objdir)/gen_tree
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-machmode.ads: $(agcc_srcdir)/agcc-machmode.ads.in \
-   $(agcc_objdir)/gen_tree \
-   $(AGCC_GCCOBJ_DIR)/gcc/insn-modes.h
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-tm.ads: $(agcc_srcdir)/agcc-tm.ads.in \
- $(agcc_objdir)/gen_tree
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_srcdir)/agcc-options.ads: $(agcc_srcdir)/agcc-options.ads.in \
- $(agcc_objdir)/gen_tree \
- $(AGCC_GCCOBJ_DIR)/gcc/options.h
-	$(GENERATE_VIA_GEN_TREE)
-
-$(agcc_objdir)/gen_tree: $(agcc_objdir)/gen_tree.o
-	$(CC) -o $@ $<
-
-$(agcc_objdir)/gen_tree.o: $(agcc_srcdir)/gen_tree.c \
-  $(AGCC_GCCSRC_DIR)/gcc/tree.def $(AGCC_GCCSRC_DIR)/gcc/tree.h \
-  $(AGCC_GCCOBJ_DIR)/gcc/tree-check.h
-	$(CC) -c -o $@ $< $(AGCC_CFLAGS)
-
-agcc-bindings.o: $(agcc_srcdir)/agcc-bindings.c \
- $(AGCC_GCCOBJ_DIR)/gcc/gtype-vhdl.h \
- $(AGCC_GCCOBJ_DIR)/gcc/gt-vhdl-agcc-bindings.h
-	$(CC) -c -o $@ $< $(AGCC_CFLAGS)
-
-agcc-version.c: $(AGCC_GCCSRC_DIR)/gcc/version.c
-	-$(RM) -f $@
-	echo '#include "version.h"' > $@
-	sed  -n -e '/version_string/ s/";/ (ghdl)";/p' < $< >> $@
-	echo 'const char bug_report_url[] = "<URL:mailto:ghdl@free.fr>";' >> $@
-
-agcc-version.o: agcc-version.c
-	$(CC) -c -o $@ $< $(AGCC_CFLAGS)
-
-agcc-clean: force
-	$(RM) -f $(agcc_objdir)/gen_tree $(agcc_objdir)/gen_tree.o
-	$(RM) -f $(agcc_objdir)/*.o
-	$(RM) -f $(agcc_srcdir)/*~
-
-agcc-maintainer-clean: force
-	$(RM) -f $(AGCC_DEPS)
-
-
-.PHONY: agcc-clean agcc-maintainer-clean
diff --git a/ortho/agcc/agcc-autils.adb b/ortho/agcc/agcc-autils.adb
deleted file mode 100644
index 30eb1e6..0000000
--- a/ortho/agcc/agcc-autils.adb
+++ /dev/null
@@ -1,93 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ada.Unchecked_Conversion;
-with Agcc.Hconfig; use Agcc.Hconfig;
-with Agcc.Machmode; use Agcc.Machmode;
-
-package body Agcc.Autils is
-   Arr_Len : constant Natural := Unsigned_64'Size / HOST_WIDE_INT'Size;
-   type Arr_Conv is array (Natural range 0 .. Arr_Len - 1) of HOST_WIDE_INT;
-
-   subtype Assert_Type is Boolean range True .. True;
-   Assert_Arr_Len_Is_1_Or_2 : constant Assert_Type :=
-     Arr_Len = 1 or Arr_Len = 2;
-   pragma Unreferenced (Assert_Arr_Len_Is_1_Or_2);
-
-   procedure To_Host_Wide_Int (V : Unsigned_64; L, H : out HOST_WIDE_INT) is
-      function Unchecked_Conversion is new Ada.Unchecked_Conversion
-        (Source => Unsigned_64, Target => Arr_Conv);
-      Res : Arr_Conv;
-   begin
-      Res := Unchecked_Conversion (V);
-      if Arr_Len = 1 then
-         H := 0;
-         L := Res (0);
-      else
-         if HOST_WORDS_BIG_ENDIAN then
-            L := Res (1);
-            H := Res (0);
-         else
-            L := Res (0);
-            H := Res (1);
-         end if;
-      end if;
-   end To_Host_Wide_Int;
-
-   procedure To_Host_Wide_Int (V : Integer_64; L, H : out HOST_WIDE_INT) is
-      function Unchecked_Conversion is new Ada.Unchecked_Conversion
-        (Source => Integer_64, Target => Arr_Conv);
-      Res : Arr_Conv;
-   begin
-      Res := Unchecked_Conversion (V);
-      if Arr_Len = 1 then
-         if V < 0 then
-            H := -1;
-         else
-            H := 0;
-         end if;
-         L := Res (0);
-      else
-         if HOST_WORDS_BIG_ENDIAN then
-            L := Res (1);
-            H := Res (0);
-         else
-            L := Res (0);
-            H := Res (1);
-         end if;
-      end if;
-   end To_Host_Wide_Int;
-
-   function To_Real_Value_Type (V : IEEE_Float_64) return REAL_VALUE_TYPE
-   is
-      Mant_Size : constant Natural := 60;
-      Rfract : IEEE_Float_64;
-      Fract : Integer_64;
-      Exp : Integer;
-      L, H : HOST_WIDE_INT;
-      Mantisse : REAL_VALUE_TYPE;
-   begin
-      --  Note: this works only when REAL_ARITHMETIC is defined!!!
-      Exp := IEEE_Float_64'Exponent (V);
-      Rfract := IEEE_Float_64'Fraction (V);
-      Rfract := IEEE_Float_64'Scaling (Rfract, Mant_Size);
-      Fract := Integer_64 (Rfract);
-      To_Host_Wide_Int (Fract, L, H);
-      REAL_VALUE_FROM_INT (Mantisse'Address, L, H, DFmode);
-      return REAL_VALUE_LDEXP (Mantisse, Exp - Mant_Size);
-   end To_Real_Value_Type;
-end Agcc.Autils;
diff --git a/ortho/agcc/agcc-autils.ads b/ortho/agcc/agcc-autils.ads
deleted file mode 100644
index 8ca7da4..0000000
--- a/ortho/agcc/agcc-autils.ads
+++ /dev/null
@@ -1,28 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Hwint; use Agcc.Hwint;
-with Agcc.Real; use Agcc.Real;
-with Interfaces; use Interfaces;
-
---  Additional utils.
-package Agcc.Autils is
-   procedure To_Host_Wide_Int (V : Unsigned_64; L, H : out HOST_WIDE_INT);
-   procedure To_Host_Wide_Int (V : Integer_64; L, H : out HOST_WIDE_INT);
-   function To_Real_Value_Type (V : IEEE_Float_64) return REAL_VALUE_TYPE;
-end Agcc.Autils;
-
diff --git a/ortho/agcc/agcc-bindings.c b/ortho/agcc/agcc-bindings.c
deleted file mode 100644
index 2dbe33b..0000000
--- a/ortho/agcc/agcc-bindings.c
+++ /dev/null
@@ -1,738 +0,0 @@
-/*  Ada bindings for GCC internals - Bindings for Ada.
-    Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-
-    GHDL 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, or (at your option) any later
-    version.
-
-    GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-    02111-1307, USA.
-*/
-#include <stddef.h>
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
-#include "tm_p.h"
-#include "defaults.h"
-#include "ggc.h"
-#include "diagnostic.h"
-#include "langhooks.h"
-#include "langhooks-def.h"
-#include "real.h"
-#include "toplev.h"
-
-enum tree_code
-get_tree_code (tree t)
-{
-  return TREE_CODE (t);
-}
-
-void
-set_tree_constant (tree t, int flag)
-{
-  TREE_CONSTANT (t) = flag;
-}
-
-int
-get_tree_constant (tree t)
-{
-  return TREE_CONSTANT (t);
-}
-
-void
-set_tree_public (tree t, int flag)
-{
-  TREE_PUBLIC (t) = flag;
-}
-
-void
-set_tree_static (tree t, int flag)
-{
-  TREE_STATIC (t) = flag;
-}
-
-void
-set_tree_type (tree t, tree val)
-{
-  TREE_TYPE (t) = val;
-}
-
-tree
-get_tree_type (tree t)
-{
-  return TREE_TYPE (t);
-}
-
-void
-set_tree_chain (tree t, tree chain)
-{
-  TREE_CHAIN (t) = chain;
-}
-
-tree
-get_tree_chain (tree t)
-{
-  return TREE_CHAIN (t);
-}
-
-void
-set_tree_unsigned (tree t, int flag)
-{
-  TREE_UNSIGNED (t) = flag;
-}
-
-int
-get_tree_unsigned (tree t)
-{
-  return TREE_UNSIGNED (t);
-}
-
-void
-set_tree_addressable (tree t, int flag)
-{
-  TREE_ADDRESSABLE (t) = flag;
-}
-
-int
-get_tree_addressable (tree t)
-{
-  return TREE_ADDRESSABLE (t);
-}
-
-void
-set_tree_side_effects (tree t, int flag)
-{
-  TREE_SIDE_EFFECTS (t) = flag;
-}
-
-void
-set_tree_readonly (tree t, int flag)
-{
-  TREE_READONLY (t) = flag;
-}
-
-void
-set_tree_operand (tree t, unsigned int n, tree val)
-{
-  TREE_OPERAND (t, n) = val;
-}
-
-tree
-get_tree_operand (tree t, unsigned int n)
-{
-  return TREE_OPERAND (t, n);
-}
-
-int
-get_tree_this_volatile (tree t)
-{
-  return TREE_THIS_VOLATILE (t);
-}
-
-int
-set_tree_this_volatile (tree t, int val)
-{
-  TREE_THIS_VOLATILE (t) = val;
-}
-
-tree
-get_tree_purpose (tree l)
-{
-  return TREE_PURPOSE (l);
-}
-
-tree
-get_tree_value (tree l)
-{
-  return TREE_VALUE (l);
-}
-
-int
-get_tree_used (tree n)
-{
-  return TREE_USED (n);
-}
-
-void
-set_tree_used (tree n, int flag)
-{
-  TREE_USED (n) = flag;
-}
-
-HOST_WIDE_INT
-get_tree_int_cst_low (tree node)
-{
-  return TREE_INT_CST_LOW (node);
-}
-
-HOST_WIDE_INT
-get_tree_int_cst_high (tree node)
-{
-  return TREE_INT_CST_HIGH (node);
-}
-
-tree
-get_constructor_elts (tree c)
-{
-  return CONSTRUCTOR_ELTS (c);
-}
-
-tree
-(build_int_2) (HOST_WIDE_INT lo, HOST_WIDE_INT hi)
-{
-  return build_int_2 (lo, hi);
-}
-
-void
-set_decl_arg_type (tree decl, tree val)
-{
-  DECL_ARG_TYPE (decl) = val;
-}
-
-void
-set_decl_external (tree decl, int val)
-{
-  DECL_EXTERNAL (decl) = val;
-}
-
-int
-get_decl_external (tree decl)
-{
-  return DECL_EXTERNAL (decl);
-}
-
-void
-set_decl_arguments (tree decl, tree args)
-{
-  DECL_ARGUMENTS (decl) = args;
-}
-
-tree
-get_decl_arguments (tree decl)
-{
-  return DECL_ARGUMENTS (decl);
-}
-
-void
-set_decl_result (tree decl, tree res)
-{
-  DECL_RESULT (decl) = res;
-}
-
-tree
-get_decl_result (tree decl)
-{
-  return DECL_RESULT (decl);
-}
-
-void
-set_decl_context (tree decl, tree context)
-{
-  DECL_CONTEXT (decl) = context;
-}
-
-tree
-get_decl_context (tree decl)
-{
-  return DECL_CONTEXT (decl);
-}
-
-void
-set_decl_initial (tree decl, tree res)
-{
-  DECL_INITIAL (decl) = res;
-}
-
-tree
-get_decl_initial (tree decl)
-{
-  return DECL_INITIAL (decl);
-}
-
-tree
-get_decl_name (tree decl)
-{
-  return DECL_NAME (decl);
-}
-
-tree
-get_decl_assembler_name (tree decl)
-{
-  return DECL_ASSEMBLER_NAME (decl);
-}
-
-void
-set_DECL_ASSEMBLER_NAME (tree decl, tree name)
-{
-  SET_DECL_ASSEMBLER_NAME (decl, name);
-}
-
-void
-set_decl_built_in_class (tree decl, enum built_in_class class)
-{
-  DECL_BUILT_IN_CLASS (decl) = class;
-}
-
-void
-set_decl_function_code (tree decl, int code)
-{
-  DECL_FUNCTION_CODE (decl) = code;
-}
-
-tree
-get_decl_field_offset (tree decl)
-{
-  return DECL_FIELD_OFFSET (decl);
-}
-
-tree
-get_decl_field_bit_offset (tree decl)
-{
-  return DECL_FIELD_BIT_OFFSET (decl);
-}
-
-int
-integral_type_p (tree type)
-{
-  return INTEGRAL_TYPE_P (type);
-}
-
-void
-set_type_values (tree type, tree values)
-{
-  TYPE_VALUES (type) = values;
-}
-
-void
-set_type_name (tree type, tree name)
-{
-  TYPE_NAME (type) = name;
-}
-
-tree
-get_type_name (tree type)
-{
-  return TYPE_NAME (type);
-}
-
-void
-set_type_min_value (tree type, tree val)
-{
-  TYPE_MIN_VALUE (type) = val;
-}
-
-tree
-get_type_min_value (tree type)
-{
-  return TYPE_MIN_VALUE (type);
-}
-
-void
-set_type_max_value (tree type, tree val)
-{
-  TYPE_MAX_VALUE (type) = val;
-}
-
-tree
-get_type_max_value (tree type)
-{
-  return TYPE_MAX_VALUE (type);
-}
-
-void
-set_type_size (tree type, tree size)
-{
-  TYPE_SIZE (type) = size;
-}
-
-tree
-get_type_size (tree type)
-{
-  return TYPE_SIZE (type);
-}
-
-void
-set_type_precision (tree type, int precision)
-{
-  TYPE_PRECISION (type) = precision;
-}
-
-int
-get_type_precision (tree type)
-{
-  return TYPE_PRECISION (type);
-}
-
-void
-set_type_fields (tree type, tree fields)
-{
-  TYPE_FIELDS (type) = fields;
-}
-
-tree
-get_type_fields (tree type)
-{
-  return TYPE_FIELDS (type);
-}
-
-void
-set_type_stub_decl (tree type, tree decl)
-{
-  TYPE_STUB_DECL (type) = decl;
-}
-
-tree
-get_type_domain (tree type)
-{
-  return TYPE_DOMAIN (type);
-}
-
-void
-set_type_domain (tree type, tree domain)
-{
-  TYPE_DOMAIN (type) = domain;
-}
-
-void *
-get_type_lang_specific (tree node)
-{
-  return TYPE_LANG_SPECIFIC (node);
-}
-
-void
-set_type_lang_specific (tree node, void *val)
-{
-  TYPE_LANG_SPECIFIC (node) = val;
-}
-
-int
-get_type_is_sizetype (tree node)
-{
-  return TYPE_IS_SIZETYPE (node);
-}
-
-void
-set_type_pointer_to (tree node, tree dnode)
-{
-  TYPE_POINTER_TO (node) = dnode;
-}
-
-tree
-get_type_pointer_to (tree node)
-{
-  return TYPE_POINTER_TO (node);
-}
-
-enum machine_mode
-get_type_mode (tree node)
-{
-  return TYPE_MODE (node);
-}
-
-void
-set_type_mode (tree node, enum machine_mode mode)
-{
-  TYPE_MODE (node) = mode;
-}
-
-void
-set_current_function_decl (tree decl)
-{
-  current_function_decl = decl;
-}
-
-tree
-get_current_function_decl (void)
-{
-  return current_function_decl;
-}
-
-int
-double_type_size (void)
-{
-  return DOUBLE_TYPE_SIZE;
-}
-
-int
-bits_per_unit (void)
-{
-  return BITS_PER_UNIT;
-}
-
-tree
-(size_int) (HOST_WIDE_INT number)
-{
-  return size_int (number);
-}
-
-tree
-get_type_size_unit (tree node)
-{
-  return TYPE_SIZE_UNIT (node);
-}
-
-/* For agcc.real:  */
-REAL_VALUE_TYPE
-get_REAL_VALUE_ATOF (const char *s, enum machine_mode mode)
-{
-  return REAL_VALUE_ATOF (s, mode);
-}
-
-REAL_VALUE_TYPE
-get_REAL_VALUE_LDEXP (REAL_VALUE_TYPE x, int n)
-{
-  REAL_VALUE_TYPE res;
-  real_ldexp (&res, &x, n);
-  return res;
-}
-
-void
-get_REAL_VALUE_FROM_INT (REAL_VALUE_TYPE *d, HOST_WIDE_INT l, HOST_WIDE_INT h,
-			 enum machine_mode mode)
-{
-  REAL_VALUE_FROM_INT (*d, l, h, mode);
-}
-
-int
-get_identifier_length (tree node)
-{
-  return IDENTIFIER_LENGTH (node);
-}
-
-const char *
-get_identifier_pointer (tree node)
-{
-  return IDENTIFIER_POINTER (node);
-}
-
-tree
-get_block_supercontext (tree node)
-{
-  return BLOCK_SUPERCONTEXT (node);
-}
-
-void
-set_block_supercontext (tree block, tree sc)
-{
-  BLOCK_SUPERCONTEXT (block) = sc;
-}
-
-void
-set_block_vars (tree block, tree vars)
-{
-  BLOCK_VARS (block) = vars;
-}
-
-const int tree_identifier_size = sizeof (struct tree_identifier);
-
-#if 0
-static void
-ggc_mark_tree_ptr (void *elt)
-{
-  ggc_mark_tree (*(tree *) elt);
-}
-#endif
-
-#undef ggc_mark_tree
-void
-ggc_mark_tree (tree expr)
-{
-  gt_ggc_m_9tree_node (expr);
-}
-
-#if 0
-void
-ggc_add_tree_root (void *base, int nelt)
-{
-  ggc_add_root (base, nelt, sizeof (tree), ggc_mark_tree_ptr);
-}
-#endif
-
-int
-get_mode_bitsize (enum machine_mode mode)
-{
-  return GET_MODE_BITSIZE (mode);
-}
-
-int
-get_errorcount (void)
-{
-  return errorcount;
-}
-
-void
-set_errorcount (int c)
-{
-  errorcount = c;
-}
-
-
-/* Defined in agcc.fe  */
-extern const char language_name[];
-extern bool lang_init (void);
-extern void lang_finish (void);
-extern unsigned int lang_init_options (unsigned int argc, const char **argv);
-extern int lang_handle_option (size_t code, const char *argc, int value);
-extern bool lang_post_options (const char **);
-extern HOST_WIDE_INT lang_get_alias_set (tree t);
-extern bool mark_addressable (tree t);
-
-extern int global_bindings_p (void);
-extern int kept_level_p (void);
-extern tree getdecls (void);
-extern void pushlevel (int);
-extern tree poplevel (int, int, int);
-extern void insert_block (tree);
-extern void set_block (tree);
-extern tree pushdecl (tree);
-
-extern tree type_for_mode (enum machine_mode, int);
-extern tree type_for_size (unsigned int, int);
-extern tree unsigned_type (tree);
-extern tree signed_type (tree);
-extern tree signed_or_unsigned_type (int, tree);
-extern tree truthvalue_conversion (tree);
-extern void lang_parse_file (int);
-
-#undef LANG_HOOKS_NAME
-#define LANG_HOOKS_NAME language_name
-#undef LANG_HOOKS_IDENTIFIER_SIZE
-#define LANG_HOOKS_IDENTIFIER_SIZE sizeof (struct tree_identifier)
-#undef LANG_HOOKS_INIT
-#define LANG_HOOKS_INIT lang_init
-#undef LANG_HOOKS_FINISH
-#define LANG_HOOKS_FINISH lang_finish
-#undef LANG_HOOKS_INIT_OPTIONS
-#define LANG_HOOKS_INIT_OPTIONS lang_init_options
-#undef LANG_HOOKS_HANDLE_OPTION
-#define LANG_HOOKS_HANDLE_OPTION lang_handle_option
-#undef LANG_HOOKS_POST_OPTIONS
-#define LANG_HOOKS_POST_OPTIONS lang_post_options
-#undef LANG_HOOKS_GET_ALIAS_SET
-#define LANG_HOOKS_GET_ALIAS_SET lang_get_alias_set
-#undef LANG_HOOKS_HONOR_READONLY
-#define LANG_HOOKS_HONOR_READONLY true
-#undef LANG_HOOKS_TRUTHVALUE_CONVERSION
-#define LANG_HOOKS_TRUTHVALUE_CONVERSION truthvalue_conversion
-#undef LANG_HOOKS_MARK_ADDRESSABLE
-#define LANG_HOOKS_MARK_ADDRESSABLE mark_addressable
-
-#undef LANG_HOOKS_TYPE_FOR_MODE
-#define LANG_HOOKS_TYPE_FOR_MODE type_for_mode
-#undef LANG_HOOKS_TYPE_FOR_SIZE
-#define LANG_HOOKS_TYPE_FOR_SIZE type_for_size
-#undef LANG_HOOKS_SIGNED_TYPE
-#define LANG_HOOKS_SIGNED_TYPE signed_type
-#undef LANG_HOOKS_UNSIGNED_TYPE
-#define LANG_HOOKS_UNSIGNED_TYPE unsigned_type
-#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
-#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE signed_or_unsigned_type
-#undef LANG_HOOKS_PARSE_FILE
-#define LANG_HOOKS_PARSE_FILE lang_parse_file
-
-const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
-
-/* Tree code classes.  */
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) TYPE,
-
-const char tree_code_type[] = {
-#include "tree.def"
-  'x'
-};
-#undef DEFTREECODE
-
-/* Table indexed by tree code giving number of expression
-   operands beyond the fixed part of the node structure.
-   Not used for types or decls.  */
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) LENGTH,
-
-const unsigned char tree_code_length[] = {
-#include "tree.def"
-  0
-};
-#undef DEFTREECODE
-
-#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) NAME,
-const char * const tree_code_name[] = {
-#include "tree.def"
-  "@@dummy"
-};
-#undef DEFTREECODE
-
-union lang_tree_node 
-  GTY((desc ("0"),
-       chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
-{
-  union tree_node GTY ((tag ("0"), 
-			desc ("tree_node_structure (&%h)"))) 
-    generic;
-};
-
-struct lang_decl GTY(())
-{
-};
-
-struct lang_type GTY (())
-{
-};
-
-struct language_function GTY (())
-{
-};
- 
-tree
-c_common_truthvalue_conversion (tree expr)
-{
-  if (TREE_CODE (TREE_TYPE (expr)) == BOOLEAN_TYPE)
-    return expr;
-  if (TREE_CODE (expr) == INTEGER_CST)
-    return integer_zerop (expr) ? integer_zero_node : integer_one_node;
-  
-  abort ();
-}
-
-int
-get_PROMOTE_PROTOTYPES (void)
-{
-  return PROMOTE_PROTOTYPES;
-}
-
-struct binding_level GTY(())
-{
-  tree names;
-  tree blocks;
-  tree block_created_by_back_end;
-  struct binding_level *level_chain;
-};
-
-extern GTY(()) struct binding_level *current_binding_level;
-extern GTY((deletable (""))) struct binding_level *old_binding_level;
-
-struct binding_level *
-alloc_binding_level (void)
-{
-  return (struct binding_level *)ggc_alloc (sizeof (struct binding_level));
-}
-
-#ifndef MAX_BITS_PER_WORD
-#define MAX_BITS_PER_WORD  BITS_PER_WORD
-#endif
-
-extern GTY(()) tree signed_and_unsigned_types[MAX_BITS_PER_WORD + 1][2];
-
-#include "debug.h"
-#include "gt-vhdl-agcc-bindings.h"
-#include "gtype-vhdl.h"
-
diff --git a/ortho/agcc/agcc-convert.ads b/ortho/agcc/agcc-convert.ads
deleted file mode 100644
index 964dd81..0000000
--- a/ortho/agcc/agcc-convert.ads
+++ /dev/null
@@ -1,26 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Agcc.Convert is
-   function Convert_To_Integer (Atype : Tree; Expr : Tree) return Tree;
-   function Convert_To_Pointer (Atype : Tree; Expr : Tree) return Tree;
-private
-   pragma Import (C, Convert_To_Integer);
-   pragma Import (C, Convert_To_Pointer);
-end Agcc.Convert;
diff --git a/ortho/agcc/agcc-diagnostic.ads b/ortho/agcc/agcc-diagnostic.ads
deleted file mode 100644
index 4558896..0000000
--- a/ortho/agcc/agcc-diagnostic.ads
+++ /dev/null
@@ -1,24 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-package Agcc.Diagnostic is
-   function Get_Errorcount return Integer;
-   procedure Set_Errorcount (Cnt : Integer);
-private
-   pragma Import (C, Get_Errorcount);
-   pragma Import (C, Set_Errorcount);
-end Agcc.Diagnostic;
diff --git a/ortho/agcc/agcc-fe.ads b/ortho/agcc/agcc-fe.ads
deleted file mode 100644
index 7c2b110..0000000
--- a/ortho/agcc/agcc-fe.ads
+++ /dev/null
@@ -1,238 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-with Agcc.Machmode; use Agcc.Machmode;
-with Agcc.Hwint; use Agcc.Hwint;
-with Agcc.Options; use Agcc.Options;
-with Interfaces.C_Streams; use Interfaces.C_Streams;
-with C; use C;
-
-package Agcc.Fe is
-   --  Subprograms that must be defined by the front-end.
-
-   --  Defined in langhooks.h
-   function Lang_Init_Options (Argc : Integer; Argv : C_String_Array)
-     return Integer;
-
-   --  Front-end function expected by GCC.
-   function Lang_Handle_Option (Code : Opt_Code;
-                                Arg : C_String;
-                                Value : Integer)
-                               return Integer;
-
-   type C_String_Acc is access C_String;
-   pragma Convention (C, C_String_Acc);
-
-   function Lang_Post_Options (Filename : C_String_Acc) return C_Bool;
-
-   function Lang_Init return C_Bool;
-
-   procedure Lang_Finish;
-
-   --procedure Lang_Clear_Binding_Stack;
-
-   --  Return the typed-based alias set for T, which may be an expression
-   --  or a type.  Return -1 if we don't do anything special.
-   --  O means can alias everything.
-   function Lang_Get_Alias_Set (T : Tree) return HOST_WIDE_INT;
-
-   --function Lang_Expand_Constant (N : Tree) return Tree;
-
-   --function Lang_Safe_From_P (Target : Rtx; Exp : Tree) return C_Bool;
-
-   procedure Lang_Parse_File (Debug : C_Bool);
-
-   --  Called by the back-end or by the front-end when the address of EXP
-   --  must be taken.
-   --  This function should found the base object (if any), and mark it as
-   --  addressable (via TREE_ADDRESSABLE).  It may emit a warning if this
-   --  object cannot be addressable (front-end restriction).
-   --  Returns TRUE in case of success, FALSE in case of failure.
-   --  Note that the status is never checked by the back-end.
-   function Mark_Addressable (Exp : Tree) return C_Bool;
-
-   --  Possibly apply default attributes to function FUNC represented by
-   --  a FUNCTION_DECL.
-   procedure Insert_Default_Attributes (Func : Tree);
-
-   --  Lexical scopes.
-   --  Roughly speaking, it is used to mark declarations regions.
-
-   --  Enter in a new lexical scope.  INSIDE should be FALSE (TRUE iff called
-   --  from the inside of the front end, ie from gcc internal code).
-   procedure Pushlevel (Inside : C_Bool);
-
-   --  Add a declaration to the current scope.
-   --  Note: GCC backend expect PUSHDECL to return its argument; however,
-   --  it is only seldom used.  Both forms exist and are aliased with a third
-   --  one which is exported under the C name.
-   --  (Unfortunatly, it is not possible to export the function and to import
-   --   the procedure).
-   procedure Pushdecl (Decl : Tree);
-   function Pushdecl (Decl : Tree) return Tree;
-
-   --  This function has to be defined.
-   function Exported_Pushdecl (Decl : Tree) return Tree;
-
-   --  Get the declarations of the current scope.
-   function Getdecls return Tree;
-
-   procedure Set_Block (Block : Tree);
-
-   -- Return non-zero if we are currently in the global binding level.
-   function Global_Bindings_P return Integer;
-
-   --  Insert BLOCK at the end of the list of subblocks of the
-   --  current binding level.  This is used when a BIND_EXPR is expanded,
-   --  to handle the BLOCK node inside the BIND_EXPR.
-   procedure Insert_Block (Block : Tree);
-
-   --  Exit the current scope.
-   --  FUNCTIONBODY is TRUE iff the scope corresponds to a subprogram scope.
-   --  Used forms (both imported).
-   procedure Poplevel (Keep : C_Bool; Revers : C_Bool; Functionbody : C_Bool);
-   function Poplevel (Keep : C_Bool; Revers : C_Bool; Functionbody : C_Bool)
-     return Tree;
-
-   --  Exported form.
-   function Exported_Poplevel
-     (Keep : C_Bool; Revers : C_Bool; Functionbody : C_Bool)
-     return Tree;
-
-   --  Perform all the initialization steps that are language-specific.
-   --procedure Lang_Init;
-
-   --  Perform all the finalization steps that are language-specific.
-   --procedure Lang_Finish;
-
-   --  Return an integer type with the number of bits of precision given by
-   --  PRECISION.  UNSIGNEDP is nonzero if the type is unsigned; otherwise
-   --  it is a signed type.
-   function Type_For_Size (Precision : Natural; Unsignedp : C_Bool)
-     return Tree;
-
-   --  Return a data type that has machine mode MODE.  UNSIGNEDP selects
-   --  an unsigned type; otherwise a signed type is returned.
-   function Type_For_Mode (Mode : Machine_Mode; Unsignedp : C_Bool)
-     return Tree;
-
-   --  Return the unsigned version of a TYPE_NODE, a scalar type.
-   function Unsigned_Type (Type_Node : Tree) return Tree;
-
-   --  Return the signed version of a TYPE_NODE, a scalar type.
-   function Signed_Type (Type_Node : Tree) return Tree;
-
-   --  Return a type the same as TYPE except unsigned or signed according to
-   --  UNSIGNEDP.
-   function Signed_Or_Unsigned_Type (Unsignedp : C_Bool; Atype : Tree)
-     return Tree;
-
-   --  Return a definition for a builtin function named NAME and whose data
-   --  type is TYPE.  TYPE should be a function type with argument types.
-   --  FUNCTION_CODE tells later passes how to compile calls to this function.
-   --  See tree.h for its possible values.
-   --
-   --  If LIBRARY_NAME is nonzero, use that for DECL_ASSEMBLER_NAME,
-   --  the name to be called if we can't opencode the function.
-   function Builtin_Function
-     (Name: System.Address;
-      Ftype : Tree;
-      Function_Code : Built_In_Function;
-      Class : Built_In_Class;
-      Library_Name : System.Address)
-     return Tree;
-
-   --  Set debug flag of the parser.
-   procedure Set_Yydebug (Flag : C_Bool);
-
-
-   --  Hooks for print-tree.c:
-   procedure Print_Lang_Decl (File : FILEs; Node : Tree; Indent : natural);
-   procedure Print_Lang_Type (File : FILEs; Node : Tree; Indent : Natural);
-   procedure Print_Lang_Identifier
-     (File : FILEs; Node : Tree; Indent : Natural);
-   procedure Lang_Print_Xnode (File : FILEs; Node : Tree; Indent : Natural);
-
-   --  Print any language-specific compilation statistics.
-   procedure Print_Lang_Statistics;
-
-
-   --  Finish to copy a ..._DECL node (the LANG_DECL_SPECIFIC field).
-   procedure Copy_Lang_Decl (Node : Tree);
-
-   --  Normalize boolean value EXPR.
-   function Truthvalue_Conversion (Expr : Tree) return Tree;
-
-   --  Procedure called in case of sizeof applied to an incomplete type.
-   procedure Incomplete_Type_Error (Value : Tree; Atype : Tree);
-
-   --  This function must be defined in the language-specific files.
-   --  expand_expr calls it to build the cleanup-expression for a TARGET_EXPR.
-   function Maybe_Build_Cleanup (Decl : Tree) return Tree;
-
-   --Language_String : constant Chars;
-   Flag_Traditional : Integer := 0;
-private
-   pragma Export (C, Lang_Init_Options);
-   pragma Export (C, Lang_Handle_Option);
-   pragma Export (C, Lang_Post_Options);
-   pragma Export (C, Lang_Init);
-   pragma Export (C, Lang_Finish);
-   pragma Export (C, Lang_Get_Alias_Set);
-
-   pragma Export (C, Lang_Parse_File);
-
-   pragma Export (C, Mark_Addressable);
-   pragma Export (C, Insert_Default_Attributes);
-
-   pragma Import (C, Pushdecl);
-   pragma Export (C, Exported_Pushdecl, "pushdecl");
-   pragma Export (C, Pushlevel);
-   pragma Export (C, Set_Block);
-   pragma Export (C, Insert_Block);
-   pragma Export (C, Global_Bindings_P);
-   pragma Import (C, Poplevel);
-   pragma Export (C, Exported_Poplevel, "poplevel");
-   pragma Export (C, Getdecls);
-
-   pragma Export (C, Type_For_Size);
-   pragma Export (C, Type_For_Mode);
-   pragma Export (C, Unsigned_Type);
-   pragma Export (C, Signed_Type);
-   pragma Export (C, Signed_Or_Unsigned_Type);
-
-   pragma Export (C, Builtin_Function);
-
-
-   pragma Export (C, Set_Yydebug);
-
-   pragma Export (C, Print_Lang_Decl);
-   pragma Export (C, Print_Lang_Type);
-   pragma Export (C, Print_Lang_Identifier);
-   pragma Export (C, Lang_Print_Xnode);
-
-   pragma Export (C, Print_Lang_Statistics);
-   pragma Export (C, Copy_Lang_Decl);
-
-   pragma Export (C, Truthvalue_Conversion);
-   pragma Export (C, Incomplete_Type_Error);
-   pragma Export (C, Maybe_Build_Cleanup);
-
-   pragma Export (C, Flag_Traditional);
-end Agcc.Fe;
-
diff --git a/ortho/agcc/agcc-ggc.ads b/ortho/agcc/agcc-ggc.ads
deleted file mode 100644
index 4892d59..0000000
--- a/ortho/agcc/agcc-ggc.ads
+++ /dev/null
@@ -1,33 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Agcc.Ggc is
-   procedure Ggc_Add_Root (Base : System.Address;
-                           Nelt : Natural;
-                           Size : Natural;
-                           Func : System.Address);
-
-   procedure Ggc_Add_Tree_Root (Base : System.Address; Nelt : Natural);
-
-   procedure Ggc_Mark_Tree (Expr : Tree);
-private
-   pragma Import (C, Ggc_Add_Root);
-   pragma Import (C, Ggc_Mark_Tree);
-   pragma Import (C, Ggc_Add_Tree_Root);
-end Agcc.Ggc;
diff --git a/ortho/agcc/agcc-ghdl.c b/ortho/agcc/agcc-ghdl.c
deleted file mode 100644
index 211d5e0..0000000
--- a/ortho/agcc/agcc-ghdl.c
+++ /dev/null
@@ -1,658 +0,0 @@
-/*  Ada bindings for GCC internals.
-    Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-
-    GHDL 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, or (at your option) any later
-    version.
-
-    GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-    02111-1307, USA.
-*/
-#include "config.h"
-#include "system.h"
-#include "tree.h"
-#include "flags.h"
-#include <stdio.h>
-
-#if 0
-const char *const language_string = "ghdl";
-int flag_traditional;
-#endif
-
-/* Convertion from a C string to the corresponding cannonical
-   Ada (GNAT) String.  */
-struct str_template
-{
-  int first;
-  int last;
-};
-
-struct str_fatptr
-{
-  const char *array;
-  struct str_template *tpl;
-};
-
-#if 0
-/* Called by toplev.c, to initialize the parser.  */
-const char *
-init_parse (const char *filename)
-{
-  struct str_template temp1 = {1, strlen (filename)};
-  struct str_fatptr   fp = {filename, &temp1};
-
-  ghdl1__init_parse (fp);
-  return filename;
-}
-#endif
-
-void
-lang_init_options (void)
-{
-  extern int gnat_argc;
-  extern const char **gnat_argv;
-  extern const char *progname;
-
-  /* Initialize ada.command_line.  */
-  gnat_argc = 1;
-  gnat_argv = &progname;
-
-  adainit ();
-}
-
-#if 0
-/* Decode all the language specific options that cannot be decoded by GCC. The
-   option decoding phase of GCC calls this routine on the flags that it cannot
-   decode.  Return 1 if successful, otherwise return 0. */
-
-int
-lang_decode_option (argc, argv)
-     int argc;
-     char **argv;
-{
-  return 0;
-}
-
-void
-lang_print_xnode(file, t, i)
-     FILE *file;
-     tree t;
-     int i;
-{
-     return;
-}
-
-/* Routines Expected by gcc:  */
-
-/* These are used to build types for various sizes.  The code below
-   is a simplified version of that of GNAT.  */
-
-#ifndef MAX_BITS_PER_WORD
-#define MAX_BITS_PER_WORD  BITS_PER_WORD
-#endif
-
-/* This variable keeps a table for types for each precision so that we only
-   allocate each of them once. Signed and unsigned types are kept separate.  */
-static tree signed_and_unsigned_types[MAX_BITS_PER_WORD + 1][2];
-
-/* Return an integer type with the number of bits of precision given by
-   PRECISION.  UNSIGNEDP is nonzero if the type is unsigned; otherwise
-   it is a signed type.  */
-
-tree
-type_for_size (precision, unsignedp)
-     unsigned precision;
-     int unsignedp;
-{
-  tree t;
-
-  if (precision <= MAX_BITS_PER_WORD
-      && signed_and_unsigned_types[precision][unsignedp] != 0)
-    return signed_and_unsigned_types[precision][unsignedp];
-
- if (unsignedp)
-    t = signed_and_unsigned_types[precision][1]
-      = make_unsigned_type (precision);
-  else
-    t = signed_and_unsigned_types[precision][0]
-      = make_signed_type (precision);
-
-  return t;
-}
-
-
-/* Return a data type that has machine mode MODE.  UNSIGNEDP selects
-   an unsigned type; otherwise a signed type is returned.  */
-
-tree
-type_for_mode (mode, unsignedp)
-     enum machine_mode mode;
-     int unsignedp;
-{
-  return type_for_size (GET_MODE_BITSIZE (mode), unsignedp);
-}
-
-/* Return the unsigned version of a TYPE_NODE, a scalar type.  */
-
-tree
-unsigned_type (type_node)
-     tree type_node;
-{
-  return type_for_size (TYPE_PRECISION (type_node), 1);
-}
-
-/* Return the signed version of a TYPE_NODE, a scalar type.  */
-
-tree
-signed_type (type_node)
-     tree type_node;
-{
-  return type_for_size (TYPE_PRECISION (type_node), 0);
-}
-
-/* Return a type the same as TYPE except unsigned or signed according to
-   UNSIGNEDP.  */
-
-tree
-signed_or_unsigned_type (unsignedp, type)
-     int unsignedp;
-     tree type;
-{
-  if (! INTEGRAL_TYPE_P (type) || TREE_UNSIGNED (type) == unsignedp)
-    return type;
-  else
-    return type_for_size (TYPE_PRECISION (type), unsignedp);
-}
-
-void
-init_type_for_size (void)
-{
-  ggc_add_tree_root (signed_and_unsigned_types,
-		     sizeof (signed_and_unsigned_types) / sizeof (tree));
-}
-#endif
-
-
-#if 0
-/* These functions and variables deal with binding contours.  We only
-   need these functions for the list of PARM_DECLs, but we leave the
-   functions more general; these are a simplified version of the
-   functions from GNAT.  */
-
-/* For each binding contour we allocate a binding_level structure which records
-   the entities defined or declared in that contour. Contours include:
-
-        the global one
-        one for each subprogram definition
-        one for each compound statement (declare block)
-
-   Binding contours are used to create GCC tree BLOCK nodes.  */
-
-struct binding_level
-{
-  /* A chain of ..._DECL nodes for all variables, constants, functions,
-     parameters and type declarations.  These ..._DECL nodes are chained
-     through the TREE_CHAIN field. Note that these ..._DECL nodes are stored
-     in the reverse of the order supplied to be compatible with the
-     back-end.  */
-  tree names;
-  /* For each level (except the global one), a chain of BLOCK nodes for all
-     the levels that were entered and exited one level down from this one.  */
-  tree blocks;
-  /* The back end may need, for its own internal processing, to create a BLOCK
-     node. This field is set aside for this purpose. If this field is non-null
-     when the level is popped, i.e. when poplevel is invoked, we will use such
-     block instead of creating a new one from the 'names' field, that is the
-     ..._DECL nodes accumulated so far.  Typically the routine 'pushlevel'
-     will be called before setting this field, so that if the front-end had
-     inserted ..._DECL nodes in the current block they will not be lost.   */
-  tree block_created_by_back_end;
-  /* The binding level containing this one (the enclosing binding level). */
-  struct binding_level *level_chain;
-};
-
-/* The binding level currently in effect.  */
-static struct binding_level *current_binding_level = NULL;
-
-/* The outermost binding level. This binding level is created when the
-   compiler is started and it will exist through the entire compilation.  */
-static struct binding_level *global_binding_level;
-
-/* Binding level structures are initialized by copying this one.  */
-static struct binding_level clear_binding_level = {NULL, NULL, NULL, NULL};
-
-/* Return non-zero if we are currently in the global binding level.  */
-
-int
-global_bindings_p ()
-{
-  return current_binding_level == global_binding_level ? -1 : 0;
-}
-
-/* Return the list of declarations in the current level. Note that this list
-   is in reverse order (it has to be so for back-end compatibility).  */
-
-tree
-getdecls ()
-{
-  return current_binding_level->names;
-}
-
-/* Nonzero if the current level needs to have a BLOCK made.  */
-
-int
-kept_level_p ()
-{
-  return (current_binding_level->names != 0);
-}
-
-/* Enter a new binding level. The input parameter is ignored, but has to be
-   specified for back-end compatibility.  */
-
-void
-pushlevel (ignore)
-     int ignore;
-{
-  struct binding_level *newlevel
-    = (struct binding_level *) xmalloc (sizeof (struct binding_level));
-
-  *newlevel = clear_binding_level;
-
-  /* Add this level to the front of the chain (stack) of levels that are
-     active.  */
-  newlevel->level_chain = current_binding_level;
-  current_binding_level = newlevel;
-}
-
-/* Exit a binding level.
-   Pop the level off, and restore the state of the identifier-decl mappings
-   that were in effect when this level was entered.
-
-   If KEEP is nonzero, this level had explicit declarations, so
-   and create a "block" (a BLOCK node) for the level
-   to record its declarations and subblocks for symbol table output.
-
-   If FUNCTIONBODY is nonzero, this level is the body of a function,
-   so create a block as if KEEP were set and also clear out all
-   label names.
-
-   If REVERSE is nonzero, reverse the order of decls before putting
-   them into the BLOCK.  */
-
-tree
-poplevel (keep, reverse, functionbody)
-     int keep;
-     int reverse;
-     int functionbody;
-{
-  /* Points to a BLOCK tree node. This is the BLOCK node construted for the
-     binding level that we are about to exit and which is returned by this
-     routine.  */
-  tree block_node = NULL_TREE;
-  tree decl_chain;
-  tree decl_node;
-  tree subblock_chain = current_binding_level->blocks;
-  tree subblock_node;
-  tree block_created_by_back_end;
-
-  /* Reverse the list of XXXX_DECL nodes if desired.  Note that the ..._DECL
-     nodes chained through the `names' field of current_binding_level are in
-     reverse order except for PARM_DECL node, which are explicitely stored in
-     the right order.  */
-  decl_chain = (reverse) ? nreverse (current_binding_level->names)
-                         : current_binding_level->names;
-
-  block_created_by_back_end = current_binding_level->block_created_by_back_end;
-  if (block_created_by_back_end != 0)
-    {
-      block_node = block_created_by_back_end;
-
-      /* Check if we are about to discard some information that was gathered
-         by the front-end. Nameley check if the back-end created a new block
-         without calling pushlevel first. To understand why things are lost
-         just look at the next case (i.e. no block created by back-end.  */
-      if ((keep || functionbody) && (decl_chain || subblock_chain))
-        abort ();
-    }
-
-  /* If there were any declarations in the current binding level, or if this
-     binding level is a function body, or if there are any nested blocks then
-     create a BLOCK node to record them for the life of this function.  */
-  else if (keep || functionbody)
-    block_node = build_block (keep ? decl_chain : 0, 0, subblock_chain, 0, 0);
-
-  /* Record the BLOCK node just built as the subblock its enclosing scope.  */
-  for (subblock_node = subblock_chain; subblock_node;
-       subblock_node = TREE_CHAIN (subblock_node))
-    BLOCK_SUPERCONTEXT (subblock_node) = block_node;
-
-  /* Clear out the meanings of the local variables of this level.  */
-
-  for (subblock_node = decl_chain; subblock_node;
-       subblock_node = TREE_CHAIN (subblock_node))
-    if (DECL_NAME (subblock_node) != 0)
-      /* If the identifier was used or addressed via a local extern decl,
-         don't forget that fact.   */
-      if (DECL_EXTERNAL (subblock_node))
-        {
-          if (TREE_USED (subblock_node))
-            TREE_USED (DECL_NAME (subblock_node)) = 1;
-          if (TREE_ADDRESSABLE (subblock_node))
-            TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (subblock_node)) = 1;
-        }
-
-  /* Pop the current level.  */
-  current_binding_level = current_binding_level->level_chain;
-
-  if (functionbody)
-    {
-      /* This is the top level block of a function. The ..._DECL chain stored
-         in BLOCK_VARS are the function's parameters (PARM_DECL nodes). Don't
-         leave them in the BLOCK because they are found in the FUNCTION_DECL
-         instead.  */
-      DECL_INITIAL (current_function_decl) = block_node;
-      BLOCK_VARS (block_node) = 0;
-    }
-  else if (block_node)
-    {
-      if (block_created_by_back_end == NULL)
-        current_binding_level->blocks
-          = chainon (current_binding_level->blocks, block_node);
-    }
-
-  /* If we did not make a block for the level just exited, any blocks made for
-     inner levels (since they cannot be recorded as subblocks in that level)
-     must be carried forward so they will later become subblocks of something
-     else.  */
-  else if (subblock_chain)
-    current_binding_level->blocks
-      = chainon (current_binding_level->blocks, subblock_chain);
-  if (block_node)
-    TREE_USED (block_node) = 1;
-
-  return block_node;
-}
-
-/* Insert BLOCK at the end of the list of subblocks of the
-   current binding level.  This is used when a BIND_EXPR is expanded,
-   to handle the BLOCK node inside the BIND_EXPR.  */
-
-void
-insert_block (block)
-     tree block;
-{
-  TREE_USED (block) = 1;
-  current_binding_level->blocks
-    = chainon (current_binding_level->blocks, block);
-}
-
-/* Set the BLOCK node for the innermost scope
-   (the one we are currently in).  */
-
-void
-set_block (block)
-     tree block;
-{
-  current_binding_level->block_created_by_back_end = block;
-}
-
-/* Records a ..._DECL node DECL as belonging to the current lexical scope.
-   Returns the ..._DECL node. */
-
-tree
-pushdecl (decl)
-     tree decl;
-{
-  /* External objects aren't nested, other objects may be.  */
-  if (DECL_EXTERNAL (decl))
-    DECL_CONTEXT (decl) = 0;
-  else
-    DECL_CONTEXT (decl) = current_function_decl;
-
-  /* Put the declaration on the list.  The list of declarations is in reverse
-     order. The list will be reversed later if necessary.  This needs to be
-     this way for compatibility with the back-end.  */
-
-  TREE_CHAIN (decl) = current_binding_level->names;
-  current_binding_level->names = decl;
-
-  /* For the declaration of a type, set its name if it is not already set. */
-
-  if (TREE_CODE (decl) == TYPE_DECL
-      && TYPE_NAME (TREE_TYPE (decl)) == 0)
-    TYPE_NAME (TREE_TYPE (decl)) = decl; /* DECL_NAME (decl); */
-
-  return decl;
-}
-#endif
-
-#ifndef CHAR_TYPE_SIZE
-#define CHAR_TYPE_SIZE BITS_PER_UNIT
-#endif
-
-#ifndef INT_TYPE_SIZE
-#define INT_TYPE_SIZE BITS_PER_WORD
-#endif
-
-#undef SIZE_TYPE
-#define SIZE_TYPE "long unsigned int"
-
-#if 0
-/* Create the predefined scalar types such as `integer_type_node' needed
-   in the gcc back-end and initialize the global binding level.  */
-
-void
-init_decl_processing ()
-{
-  tree endlink;
-
-  error_mark_node = make_node (ERROR_MARK);
-  TREE_TYPE (error_mark_node) = error_mark_node;
-
-  initialize_sizetypes ();
-
-  /* The structure `tree_identifier' is the GCC tree data structure that holds
-     IDENTIFIER_NODE nodes. We need to call `set_identifier_size' to tell GCC
-     that we have not added any language specific fields to IDENTIFIER_NODE
-     nodes.  */
-  set_identifier_size (sizeof (struct tree_identifier));
-  lineno = 0;
-
-  /* Make the binding_level structure for global names.  */
-  pushlevel (0);
-  global_binding_level = current_binding_level;
-
-  build_common_tree_nodes (0);
-  pushdecl (build_decl (TYPE_DECL, get_identifier ("int"),
-                        integer_type_node));
-  pushdecl (build_decl (TYPE_DECL, get_identifier ("char"),
-                        char_type_node));
-  set_sizetype (unsigned_type_node);
-  build_common_tree_nodes_2 (0);
-
-}
-#endif
-
-
-#if 0
-/* Perform all the initialization steps that are language-specific.  */
-
-void
-lang_init ()
-{}
-
-/* Perform all the finalization steps that are language-specific.  */
-
-void
-lang_finish ()
-{}
-
-/* Return a short string identifying this language to the debugger.  */
-
-const char *
-lang_identify ()
-{
-  return "vhdl";
-}
-
-/* If DECL has a cleanup, build and return that cleanup here.
-   This is a callback called by expand_expr.  */
-
-tree
-maybe_build_cleanup (decl)
-     tree decl;
-{ return NULL_TREE; }
-
-/* Print an error message for invalid use of an incomplete type.  */
-
-void
-incomplete_type_error (dont_care_1, dont_care_2)
-     tree dont_care_1, dont_care_2;
-{ abort (); }
-
-tree
-truthvalue_conversion (expr)
-     tree expr;
-{ return expr;}
-
-int
-mark_addressable (expr)
-     tree expr;
-{return 0;}
-#endif
-
-#if 0
-/* Print any language-specific compilation statistics.  */
-
-void
-print_lang_statistics ()
-{}
-
-/* Since we don't use the DECL_LANG_SPECIFIC field, this is a no-op.  */
-
-void
-copy_lang_decl (node)
-     tree node;
-{}
-
-/* Hooks for print-tree.c:  */
-
-void
-print_lang_decl (file, node, indent)
-     FILE *file;
-     tree node;
-     int indent;
-{}
-
-void
-print_lang_type (file, node, indent)
-     FILE *file;
-     tree node;
-     int indent;
-{}
-
-void
-print_lang_identifier (file, node, indent)
-     FILE *file;
-     tree node;
-     int indent;
-{}
-#endif
-
-#if 0
-/* Performs whatever initialization steps are needed by the language-dependent
-   lexical analyzer.  */
-
-void
-init_lex ()
-{}
-
-
-/* Sets some debug flags for the parser. It does nothing here.  */
-
-void
-set_yydebug (value)
-     int value;
-{}
-#endif
-
-#if 0
-/* Routine to print parse error message.  */
-void
-yyerror (str)
-     char *str;
-{
-  fprintf (stderr, "%s\n", str);
-}
-#endif
-
-#if 0
-/* Return the typed-based alias set for T, which may be an expression
-   or a type.  Return -1 if we don't do anything special.  */
-
-HOST_WIDE_INT
-lang_get_alias_set (t)
-     tree t ATTRIBUTE_UNUSED;
-{
-  return -1;
-}
-#endif
-
-#if 0
-/* Return a definition for a builtin function named NAME and whose data type
-   is TYPE.  TYPE should be a function type with argument types.
-   FUNCTION_CODE tells later passes how to compile calls to this function.
-   See tree.h for its possible values.
-
-   If LIBRARY_NAME is nonzero, use that for DECL_ASSEMBLER_NAME,
-   the name to be called if we can't opencode the function.  */
-
-tree
-builtin_function (name, type, function_code, class, library_name)
-     const char *name;
-     tree type;
-     int function_code;
-     enum built_in_class class;
-     const char *library_name;
-{
-  tree decl = build_decl (FUNCTION_DECL, get_identifier (name), type);
-  DECL_EXTERNAL (decl) = 1;
-  TREE_PUBLIC (decl) = 1;
-  if (library_name)
-    DECL_ASSEMBLER_NAME (decl) = get_identifier (library_name);
-  make_decl_rtl (decl, NULL_PTR, 1);
-  pushdecl (decl);
-  DECL_BUILT_IN_CLASS (decl) = class;
-  DECL_FUNCTION_CODE (decl) = function_code;
-  return decl;
-}
-#endif
-
-#if 0
-/* Mark language-specific parts of T for garbage-collection.  */
-
-void
-lang_mark_tree (t)
-     tree t ATTRIBUTE_UNUSED;
-{
-}
-#endif
-
-void
-print_chain (tree t)
-{
-  while (t != NULL)
-    {
-      print_node_brief (stdout, "", t, 0);
-      fprintf (stdout, "\n");
-      t = TREE_CHAIN (t);
-    }
-}
diff --git a/ortho/agcc/agcc-hconfig.ads.in b/ortho/agcc/agcc-hconfig.ads.in
deleted file mode 100644
index 3662c95..0000000
--- a/ortho/agcc/agcc-hconfig.ads.in
+++ /dev/null
@@ -1,21 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-
-package Agcc.Hconfig is
-@host_big_endian
-end Agcc.Hconfig;
diff --git a/ortho/agcc/agcc-hwint.ads.in b/ortho/agcc/agcc-hwint.ads.in
deleted file mode 100644
index 245f211..0000000
--- a/ortho/agcc/agcc-hwint.ads.in
+++ /dev/null
@@ -1,23 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Interfaces;
-
-package Agcc.Hwint is
-   pragma Preelaborate (Agcc.Hwint);
-@host_wide_int
-end Agcc.Hwint;
diff --git a/ortho/agcc/agcc-input.ads b/ortho/agcc/agcc-input.ads
deleted file mode 100644
index d7ff5ec..0000000
--- a/ortho/agcc/agcc-input.ads
+++ /dev/null
@@ -1,29 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-package Agcc.Input is
-   type Location_T is record
-      File : Chars;
-      Line : Integer;
-   end record;
-   pragma Convention (C_Pass_By_Copy, Location_T);
-
-   Input_Location : Location_T;
-   pragma Import (C, Input_Location);
-end Agcc.Input;
-
-
diff --git a/ortho/agcc/agcc-libiberty.ads b/ortho/agcc/agcc-libiberty.ads
deleted file mode 100644
index 89784b7..0000000
--- a/ortho/agcc/agcc-libiberty.ads
+++ /dev/null
@@ -1,21 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-package Agcc.Libiberty is
-   function Xmalloc (Size : Size_T) return Chars;
-   pragma Import (C, Xmalloc);
-end Agcc.Libiberty;
diff --git a/ortho/agcc/agcc-machmode.ads.in b/ortho/agcc/agcc-machmode.ads.in
deleted file mode 100644
index ccc6980..0000000
--- a/ortho/agcc/agcc-machmode.ads.in
+++ /dev/null
@@ -1,35 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-
-package Agcc.Machmode is
-   pragma Preelaborate (Agcc.Machmode);
-
-   type Machine_Mode is
-     (
-@machmode
-      );
-   pragma Convention (C, Machine_Mode);
-
-   function GET_MODE_BITSIZE (Mode : Machine_Mode) return Natural;
-   Ptr_Mode : Machine_Mode;
-
-private
-   pragma Import (C, GET_MODE_BITSIZE);
-   pragma Import (C, Ptr_Mode);
-end Agcc.Machmode;
-
diff --git a/ortho/agcc/agcc-options.ads.in b/ortho/agcc/agcc-options.ads.in
deleted file mode 100644
index 8931edd..0000000
--- a/ortho/agcc/agcc-options.ads.in
+++ /dev/null
@@ -1,31 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-
--- This file is preprocessed by gen_tree to create agcc-options.ads
-
-package Agcc.Options is
-
-@options_CL
-
-   type Opt_Code is
-     (
-@options_OPTs
-     );
-
-   pragma Convention (C, Opt_Code);
-end Agcc.Options;
diff --git a/ortho/agcc/agcc-output.ads b/ortho/agcc/agcc-output.ads
deleted file mode 100644
index 6ecab6e..0000000
--- a/ortho/agcc/agcc-output.ads
+++ /dev/null
@@ -1,24 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Agcc.Output is
-   procedure Make_Function_Rtl (Func : Tree);
-private
-   pragma Import (C, Make_Function_Rtl);
-end Agcc.Output;
diff --git a/ortho/agcc/agcc-real.ads.in b/ortho/agcc/agcc-real.ads.in
deleted file mode 100644
index ec6b080..0000000
--- a/ortho/agcc/agcc-real.ads.in
+++ /dev/null
@@ -1,42 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Hwint; use Agcc.Hwint;
-with Agcc.Machmode; use Agcc.Machmode;
-
-package Agcc.Real is
-   pragma Preelaborate (Agcc.Real);
-
-   type REAL_VALUE_TYPE is private;
-
-   function REAL_VALUE_ATOF (S : System.Address; M : Machine_Mode)
-     return REAL_VALUE_TYPE;
-
-   function REAL_VALUE_LDEXP (X : REAL_VALUE_TYPE; N : Integer)
-     return REAL_VALUE_TYPE;
-
-   procedure REAL_VALUE_FROM_INT (D : System.Address;
-                                  Lo, Hi : HOST_WIDE_INT;
-                                  Mode : Machine_Mode);
-private
-@real
-   --  FIXME: check about the convention on other machines.
-   pragma Convention (C_Pass_By_Copy, REAL_VALUE_TYPE);
-   pragma Import (C, REAL_VALUE_ATOF, "get_REAL_VALUE_ATOF");
-   pragma Import (C, REAL_VALUE_LDEXP, "get_REAL_VALUE_LDEXP");
-   pragma Import (C, REAL_VALUE_FROM_INT, "get_REAL_VALUE_FROM_INT");
-end Agcc.Real;
diff --git a/ortho/agcc/agcc-rtl.ads b/ortho/agcc/agcc-rtl.ads
deleted file mode 100644
index e45143a..0000000
--- a/ortho/agcc/agcc-rtl.ads
+++ /dev/null
@@ -1,31 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Input; use Agcc.Input;
-with System;
-
-package Agcc.Rtl is
-   --  Defines RTX as an opaque type.
-   type Rtx is new System.Address;
-
-   procedure Emit_Line_Note (Loc : Location_T);
-   function Emit_Line_Note (Loc : Location_T) return Rtx;
-   procedure Emit_Nop;
-private
-   pragma Import (C, Emit_Line_Note);
-   pragma Import (C, Emit_Nop);
-end Agcc.Rtl;
diff --git a/ortho/agcc/agcc-stor_layout.ads b/ortho/agcc/agcc-stor_layout.ads
deleted file mode 100644
index aeaa4d7..0000000
--- a/ortho/agcc/agcc-stor_layout.ads
+++ /dev/null
@@ -1,24 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Agcc.Stor_Layout is
-   procedure Fixup_Unsigned_Type (Atype : Tree);
-private
-   pragma Import (C, Fixup_Unsigned_Type);
-end Agcc.Stor_Layout;
diff --git a/ortho/agcc/agcc-tm.ads.in b/ortho/agcc/agcc-tm.ads.in
deleted file mode 100644
index 7fea03c..0000000
--- a/ortho/agcc/agcc-tm.ads.in
+++ /dev/null
@@ -1,37 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-
---  Definitions about target machine.
-
-package Agcc.Tm is
-   pragma Preelaborate (Agcc.Tm);
-
-   function DOUBLE_TYPE_SIZE return Natural;
-   function LONG_DOUBLE_TYPE_SIZE return Natural;
-   function BITS_PER_UNIT return Natural;
-   function BITS_PER_WORD return Natural;
-   function PROMOTE_PROTOTYPES return C_Bool;
-@tm
-private
-   pragma Import (C, DOUBLE_TYPE_SIZE);
-   pragma Import (C, LONG_DOUBLE_TYPE_SIZE);
-   pragma Import (C, BITS_PER_UNIT);
-   pragma Import (C, BITS_PER_WORD);
-   pragma Import (C, PROMOTE_PROTOTYPES, "get_PROMOTE_PROTOTYPES");
-end Agcc.Tm;
-
diff --git a/ortho/agcc/agcc-toplev.ads b/ortho/agcc/agcc-toplev.ads
deleted file mode 100644
index a816f54..0000000
--- a/ortho/agcc/agcc-toplev.ads
+++ /dev/null
@@ -1,51 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-with System;
-with Agcc.Hwint; use Agcc.Hwint;
-
-package Agcc.Toplev is
-   procedure Rest_Of_Decl_Compilation (Decl : Tree;
-                                       Asmspec : System.Address;
-                                       Top_Level : C_Bool;
-                                       At_End : C_Bool);
-   procedure Rest_Of_Type_Compilation (Decl : Tree; Toplevel : C_Bool);
-   procedure Rest_Of_Compilation (Decl : Tree);
-
-   function Exact_Log2_Wide (X : HOST_WIDE_INT) return Integer;
-   function Floor_Log2_Wide (X : HOST_WIDE_INT) return Integer;
-
-   procedure Error (Msg : System.Address);
-
-   procedure Announce_Function (Func : Tree);
-
-   function Toplev_Main (Argc : Integer; Argv : System.Address)
-     return Integer;
-private
-   pragma Import (C, Rest_Of_Decl_Compilation);
-   pragma Import (C, Rest_Of_Type_Compilation);
-   pragma Import (C, Rest_Of_Compilation);
-
-   pragma Import (C, Exact_Log2_Wide);
-   pragma Import (C, Floor_Log2_Wide);
-
-   pragma Import (C, Error);
-
-   pragma Import (C, Announce_Function);
-   pragma Import (C, Toplev_Main);
-end Agcc.Toplev;
diff --git a/ortho/agcc/agcc-trees.adb b/ortho/agcc/agcc-trees.adb
deleted file mode 100644
index a13aba3..0000000
--- a/ortho/agcc/agcc-trees.adb
+++ /dev/null
@@ -1,33 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-package body Agcc.Trees is
-   function Build_Int (Low : HOST_WIDE_INT) return Tree is
-   begin
-      if Low < 0 then
-         return Build_Int_2_Wide (Low, -1);
-      else
-         return Build_Int_2_Wide (Low, 0);
-      end if;
-   end Build_Int;
-
-   procedure Expand_Start_Bindings (Flags : Integer) is
-   begin
-      Expand_Start_Bindings_And_Block (Flags, NULL_TREE);
-   end Expand_Start_Bindings;
-
-end Agcc.Trees;
diff --git a/ortho/agcc/agcc-trees.ads.in b/ortho/agcc/agcc-trees.ads.in
deleted file mode 100644
index 5eb2d58..0000000
--- a/ortho/agcc/agcc-trees.ads.in
+++ /dev/null
@@ -1,514 +0,0 @@
---  Ada bindings for GCC internals. -*- Ada -*-
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-
--- This file is preprocessed by gen_tree to create agcc-trees.ads
--- gen_tree adds enumerations from GCC C files.
-
-with System; use System;
-with Agcc.Hwint; use Agcc.Hwint;
-with Agcc.Real; use Agcc.Real;
-with Agcc.Machmode; use Agcc.Machmode;
-
-package Agcc.Trees is
-   --pragma No_Elaboration_Code (Agcc.Trees);
-
-   type Tree is new System.Address;
-
-   NULL_TREE : constant Tree;
-
-   type Tree_Code is
-     (
-@tree_code
-     );
-   pragma Convention (C, Tree_Code);
-
-   type Built_In_Class is
-     (NOT_BUILT_IN, BUILT_IN_FRONTEND, BUILT_IN_MD, BUILT_IN_NORMAL);
-   pragma Convention (C, Built_In_Class);
-
-   type Built_In_Function is
-     (
-@built_in_function
-     );
-   pragma Convention (C, Built_In_Function);
-
-   type Tree_Index is
-     (
-@tree_index
-     );
-
-   type Type_Qual_Type is new Integer;
-@type_qual
-
-   type Global_Trees_Array is array (Tree_Index) of Tree;
-   pragma Convention (C, Global_Trees_Array);
-   Global_Trees : Global_Trees_Array;
-   pragma Import (C, Global_Trees);
-
-   Error_Mark_Node : Tree renames Global_Trees (TI_ERROR_MARK);
-   Void_Type_Node : Tree renames Global_Trees (TI_VOID_TYPE);
-   Ptr_Type_Node : Tree renames Global_Trees (TI_PTR_TYPE);
-   Const_Ptr_Type_Node : Tree renames Global_Trees (TI_CONST_PTR_TYPE);
-   Integer_Zero_Node : Tree renames Global_Trees (TI_INTEGER_ZERO);
-   Integer_One_Node : Tree renames Global_Trees (TI_INTEGER_ONE);
-   Size_Zero_Node : Tree renames Global_Trees (TI_SIZE_ZERO);
-
-   type Size_Type_Kind is
-     (
-@size_type_kind
-      );
-
-   type Sizetype_Tab_Array is array (Size_Type_Kind) of Tree;
-   pragma Convention (C, Sizetype_Tab_Array);
-   Sizetype_Tab : Sizetype_Tab_Array;
-   pragma Import (C, Sizetype_Tab);
-
-   Bitsizetype : Tree renames Sizetype_Tab (TK_BITSIZETYPE);
-   Sizetype : Tree renames Sizetype_Tab (TK_SIZETYPE);
-
-   type Integer_Types_Kind is
-     (
-@integer_types
-      );
-
-   type Integer_Types_Array is array (Integer_Types_Kind) of Tree;
-   pragma Convention (C, Integer_Types_Array);
-   Integer_Types : Integer_Types_Array;
-   pragma Import (C, Integer_Types);
-
-   Integer_Type_Node : Tree renames Integer_Types (itk_int);
-   Unsigned_Type_Node : Tree renames Integer_Types (itk_unsigned_int);
-   Char_Type_Node : Tree renames Integer_Types (itk_char);
-
-   function Build (Code: Tree_Code; T: Tree; O0, O1: Tree) return Tree;
-   function Build (Code: Tree_Code; T: Tree; O0, O1, O2: Tree) return Tree;
-   function Build1 (Code: Tree_Code; T: Tree; O: Tree) return Tree;
-   function Build_Constructor (T : Tree; V : Tree) return Tree;
-   function Build_Block (Vars : Tree;
-                         Tags : Tree;
-                         Subblocks : Tree;
-                         Supercontext : Tree;
-                         Chain : Tree)
-     return Tree;
-   function Build_Decl (Code : Tree_Code; T1 : Tree; T2: Tree) return Tree;
-   function Build_Int_2 (Low, Hi: HOST_WIDE_INT) return Tree;
-   function Build_Int_2_Wide (Low, Hi: HOST_WIDE_INT) return Tree;
-   function Build_Real (Rtype : Tree; D : REAL_VALUE_TYPE) return Tree;
-   function Build_Function_Type (Value_Type : Tree; Arg_Type : Tree)
-     return Tree;
-   function Build_Pointer_Type (Atype : Tree) return Tree;
-   function Get_Identifier (Str : System.Address) return Tree;
-   function Build_String (Len : Integer; Str : System.Address) return Tree;
-   function Build_Index_Type (Max : Tree) return Tree;
-   function Build_Range_Type (Basetype : Tree; Low : Tree; High : Tree)
-     return Tree;
-   function Build_Array_Type (El_Type : Tree; Domain : Tree) return Tree;
-   function Make_Node (Code : Tree_Code) return Tree;
-   function Build_Qualified_Type (Atype : Tree; Qual : Type_Qual_Type)
-     return Tree;
-
-   function Build_Save_Expr (Expr : Tree) return Tree;
-
-   function Make_Signed_Type (Precision : Natural) return Tree;
-   function Make_Unsigned_Type (Precision : Natural) return Tree;
-   procedure Initialize_Sizetypes;
-   procedure Set_Sizetype (Atype : Tree);
-
-   function Host_Integerp (T : Tree; Pos : Integer) return Integer;
-
-   function Chainon (Op1, Op2 : Tree) return Tree;
-   function Listify (Node : Tree) return Tree;
-   function Tree_Cons (Purpose : Tree; Value : Tree; Chain : Tree)
-     return Tree;
-   function Nreverse (Chain : Tree) return Tree;
-   function Build_Tree_List (Purpose : Tree; Value : Tree) return Tree;
-
-   function Size_In_Bytes (Decl : Tree) return Tree;
-   procedure Set_Identifier_Size (Size : Natural);
-
-   function Get_Inner_Reference
-     (Exp : Tree;
-      Pbitsize : Address; --  HOST_WIDE_INT pointer
-      Pbitpos : Address; -- HOST_WIDE_INT pointer
-      Poffset : Address; -- Tree pointer
-      Pmode : Address; -- MACHINE_MODE pointer
-      Punsignedp : Address; -- int pointer
-      Pvolatilep : Address) -- int pointer
-     return Tree;
-
-   Current_Function_Decl : Tree;
-
-   function Integer_Zerop (Expr : Tree) return C_Bool;
-   function Integer_Onep (Expr : Tree) return C_Bool;
-   function Real_Zerop (Expr : Tree) return C_Bool;
-
-   procedure Layout_Type (Atype : Tree);
-   procedure Layout_Decl (Decl : Tree; Align : Natural);
-
-   procedure Expand_Start_Bindings_And_Block (Flags : Integer; Block : Tree);
-   procedure Expand_Start_Bindings (Flags : Integer);
-   procedure Expand_End_Bindings
-     (Vars : Tree; Mark_Ends: C_Bool; Dont_Jump_In : C_Bool);
-
-   procedure Init_Function_Start
-     (Subr : Tree; Filename : Chars; Line : Integer);
-   procedure Expand_Function_Start
-     (Subr : Tree; Parms_Have_Cleanups : C_Bool);
-   procedure Expand_Function_End
-     (Filename : Chars; Line : Integer; End_Bindings : C_Bool);
-   procedure Push_Function_Context;
-   procedure Pop_Function_Context;
-   procedure Put_Var_Into_Stack (Expr : Tree; Rescan : C_Bool);
-   procedure Expand_Null_Return;
-   procedure Expand_Return (Expr : Tree);
-   procedure Expand_Expr_Stmt (Expr : Tree);
-   procedure Expand_Decl (Decl : Tree);
-   procedure Expand_Decl_Init (Decl : Tree);
-
-   function Expand_Exit_Something return Integer;
-
-   --  Conditions (IF).
-   procedure Expand_Start_Cond (Cond : Tree; Has_Exit : C_Bool);
-   procedure Expand_Start_Elseif (Cond : Tree);
-   procedure Expand_Start_Else;
-   procedure Expand_End_Cond;
-
-   --  Loops (FOR, WHILE, DO-WHILE, CONTINUE, EXIT ...)
-   type Nesting is private;
-   Nesting_Null : constant Nesting;
-   function Expand_Start_Loop (Exit_Flag : C_Bool) return Nesting;
-   procedure Expand_Continue_Loop (Which_Loop: Nesting);
-   procedure Expand_End_Loop;
-   function Expand_Start_Loop_Continue_Elsewhere (Exit_Flag : C_Bool)
-     return Nesting;
-   procedure Expand_Loop_Continue_Here;
-   procedure Expand_Exit_Loop (Which_Loop : Nesting);
-   function Expand_Exit_Loop_If_False (Which_Loop : Nesting; Cond : Tree)
-     return Integer;
-
-   --  multibranch (SWITCH).
-   procedure Expand_Start_Case
-     (Exit_Flag : C_Bool; Expr : Tree; Etype : Tree; Printname : Chars);
-   function Pushcase
-     (Value : Tree; Converter : Address; Label : Tree; Duplicate : Address)
-     return Integer;
-   function Pushcase_Range
-     (Low, High : Tree; Converter : Address; Label : Tree; Duplicate : Address)
-     return Integer;
-   function Add_Case_Node (Low, High : Tree; Label : Tree; Duplicate : Address)
-     return Integer;
-   procedure Expand_End_Case_Type (Orig_Index : Tree; Orig_Type : Tree);
-
-   procedure Debug_Tree (T: Tree);
-
-   function Fold (Atree : Tree) return Tree;
-   function Size_Binop (Code : Tree_Code; arg0, Arg1 : Tree) return Tree;
-   function Size_Int (Number : HOST_WIDE_INT) return Tree;
-
-   function Convert (Atype : Tree; Expr : Tree) return Tree;
-
-   --  Create an INTEGER_CST whose value is LOW signed extended to
-   --  2 HOST_WIDE_INT.
-   function Build_Int (Low : HOST_WIDE_INT) return Tree;
-
-   function Get_TREE_CODE (T : Tree) return Tree_Code;
-   procedure Set_TREE_CONSTANT (T : Tree; Val : C_Bool);
-   function Get_TREE_CONSTANT (T : Tree) return C_Bool;
-   procedure Set_TREE_PUBLIC (Decl: Tree; Val : C_Bool);
-   procedure Set_TREE_STATIC (Decl : Tree; Val : C_Bool);
-   procedure Set_TREE_TYPE (Decl : Tree; T : Tree);
-   function Get_TREE_TYPE (Decl : Tree) return Tree;
-   procedure Set_TREE_CHAIN (Decl : Tree; Chain : Tree);
-   function Get_TREE_CHAIN (Decl : Tree) return Tree;
-   procedure Set_TREE_UNSIGNED (Decl : Tree; Val: C_Bool);
-   function Get_TREE_UNSIGNED (Decl : Tree) return C_Bool;
-   procedure Set_TREE_ADDRESSABLE (Decl : Tree; Val: C_Bool);
-   function Get_TREE_ADDRESSABLE (Decl : Tree) return C_Bool;
-   procedure Set_TREE_SIDE_EFFECTS (Decl : Tree; Val: C_Bool);
-   procedure Set_TREE_READONLY (Decl : Tree; Val: C_Bool);
-   procedure Set_TREE_OPERAND (T : Tree; N : Natural; Val : Tree);
-   function Get_TREE_OPERAND (T : Tree; N : Natural) return Tree;
-   procedure Set_TREE_THIS_VOLATILE (T : Tree; Val : C_Bool);
-   function Get_TREE_THIS_VOLATILE (T : Tree) return C_Bool;
-   function Get_TREE_VALUE (Decl : Tree) return Tree;
-   function Get_TREE_PURPOSE (Decl : Tree) return Tree;
-   function Get_TREE_USED (Decl : Tree) return C_Bool;
-   procedure Set_TREE_USED (Decl : Tree; Flag : C_Bool);
-
-   function Get_TREE_INT_CST_LOW (Node : Tree) return HOST_WIDE_INT;
-   function Get_TREE_INT_CST_HIGH (Node : Tree) return HOST_WIDE_INT;
-
-   function Get_CONSTRUCTOR_ELTS (Cons : Tree) return Tree;
-
-   procedure Set_DECL_ARG_TYPE (Decl : Tree; Val : Tree);
-   procedure Set_DECL_EXTERNAL (Decl : Tree; Val : C_Bool);
-   function Get_DECL_EXTERNAL (Decl : Tree) return C_Bool;
-   procedure Set_DECL_ARGUMENTS (Decl : Tree; Args : Tree);
-   function Get_DECL_ARGUMENTS (Decl : Tree) return Tree;
-   procedure Set_DECL_RESULT (Decl : Tree; Res : Tree);
-   function Get_DECL_RESULT (Decl : Tree) return Tree;
-   procedure Set_DECL_CONTEXT (Decl : Tree; Context : Tree);
-   function Get_DECL_CONTEXT (Decl : Tree) return Tree;
-   function Get_DECL_INITIAL (Decl : Tree) return Tree;
-   procedure Set_DECL_INITIAL (Decl : Tree; Init : Tree);
-   function Get_DECL_NAME (Decl : Tree) return Tree;
-   function Get_DECL_ASSEMBLER_NAME (Decl : Tree) return Tree;
-   procedure Set_DECL_ASSEMBLER_NAME (Decl : Tree; Name : Tree);
-   procedure Set_DECL_BUILT_IN_CLASS (Decl : Tree; Class : Built_In_Class);
-   procedure Set_DECL_FUNCTION_CODE (Decl : Tree; Code : Built_In_Function);
-   function Get_DECL_FIELD_OFFSET (Decl : Tree) return Tree;
-   function Get_DECL_FIELD_BIT_OFFSET (Decl : Tree) return Tree;
-
-   procedure Set_TYPE_VALUES (Atype : Tree; Values: Tree);
-   procedure Set_TYPE_NAME (Atype : Tree; Name: Tree);
-   function Get_TYPE_NAME (Atype : Tree) return Tree;
-   procedure Set_TYPE_MIN_VALUE (Atype : Tree; Val: Tree);
-   function Get_TYPE_MIN_VALUE (Atype : Tree) return Tree;
-   procedure Set_TYPE_MAX_VALUE (Atype : Tree; Val: Tree);
-   function Get_TYPE_MAX_VALUE (Atype : Tree) return Tree;
-   procedure Set_TYPE_SIZE (Atype : Tree; Size: Tree);
-   function Get_TYPE_SIZE (Atype : Tree) return Tree;
-   procedure Set_TYPE_PRECISION (Atype : Tree; Precision : Integer);
-   function Get_TYPE_PRECISION (Atype : Tree) return Integer;
-   procedure Set_TYPE_FIELDS (Atype : Tree; Fields : Tree);
-   function Get_TYPE_FIELDS (Atype : Tree) return Tree;
-   procedure Set_TYPE_STUB_DECL (Atype : Tree; Decl : Tree);
-   procedure Set_TYPE_LANG_SPECIFIC (Atype : Tree; Val : System.Address);
-   function Get_TYPE_LANG_SPECIFIC (Atype : Tree) return System.Address;
-   function Get_TYPE_IS_SIZETYPE (Atype : Tree) return C_Bool;
-   function Get_TYPE_DOMAIN (Atype : Tree) return Tree;
-   procedure Set_TYPE_DOMAIN (Atype : Tree; Domain : Tree);
-   function Get_TYPE_SIZE_UNIT (Atype : Tree) return Tree;
-   function Get_TYPE_POINTER_TO (Atype : Tree) return Tree;
-   procedure Set_TYPE_POINTER_TO (Atype : Tree; Dtype : Tree);
-   function INTEGRAL_TYPE_P (Atype : Tree) return C_Bool;
-   procedure Set_TYPE_MODE (Atype : Tree; Mode : Machine_Mode);
-   function Get_TYPE_MODE (Atype : Tree) return Machine_Mode;
-
-   function Get_BLOCK_SUPERCONTEXT (Ablock : Tree) return Tree;
-   procedure Set_BLOCK_SUPERCONTEXT (Ablock : Tree; Sc : Tree);
-   procedure Set_BLOCK_VARS (Ablock : Tree; Vars : Tree);
-
-   function Get_IDENTIFIER_LENGTH (N : Tree) return Integer;
-   function Get_IDENTIFIER_POINTER (N : Tree) return Chars;
-
-   procedure Build_Common_Tree_Nodes (Signed_Char : C_Bool);
-   procedure Build_Common_Tree_Nodes_2 (Short_Double : C_Bool);
-
-   --  Points to the name of the input file from which the current input
-   --  being parsed originally came (before it went into cpp).
-   Input_Filename : Chars;
-
-   Main_Input_Filename : Chars;
-
-   -- Current line number in input file.
-   Lineno : Integer;
-
-   --  sizeof (struct tree_identifier).
-   Tree_Identifier_Size : Natural;
-
-   --  Create DECL_RTL for a declaration for a static or external variable or
-   --  static or external function.
-   procedure Make_Decl_Rtl (Decl : Tree; Asmspec : Chars; Top_Level : C_Bool);
-
-private
-   NULL_TREE : constant Tree := Tree (System.Null_Address);
-
-   type Nesting is new System.Address;
-   Nesting_Null : constant Nesting := Nesting (Null_Address);
-
-   pragma Import (C, Current_Function_Decl);
-   pragma Import (C, Set_Identifier_Size);
-
-   pragma Import (C, Build);
-   pragma Import (C, Build1);
-   pragma Import (C, Build_Constructor);
-   pragma Import (C, Build_Block);
-   pragma Import (C, Build_Decl);
-   pragma Import (C, Build_Int_2);
-   pragma Import (C, Build_Int_2_Wide);
-   pragma Import (C, Build_Real);
-   pragma Import (C, Build_Function_Type);
-   pragma Import (C, Build_Pointer_Type);
-   pragma Import (C, Get_Identifier);
-   pragma Import (C, Build_String);
-   pragma Import (C, Make_Node);
-   pragma Import (C, Build_Index_Type);
-   pragma Import (C, Build_Range_Type);
-   pragma Import (C, Build_Array_Type);
-   pragma Import (C, Build_Qualified_Type);
-   pragma Import (C, Build_Save_Expr, "save_expr");
-
-   pragma Import (C, Make_Signed_Type);
-   pragma Import (C, Make_Unsigned_Type);
-   pragma Import (C, Initialize_Sizetypes);
-   pragma Import (C, Set_Sizetype);
-   pragma Import (C, Host_Integerp);
-
-   pragma Import (C, Chainon);
-   pragma Import (C, Listify);
-   pragma Import (C, Tree_Cons);
-   pragma Import (C, Nreverse);
-   pragma Import (C, Build_Tree_List);
-
-   pragma Import (C, Size_In_Bytes);
-   pragma Import (C, Get_Inner_Reference);
-
-   pragma Import (C, Integer_Zerop);
-   pragma Import (C, Integer_Onep);
-   pragma Import (C, Real_Zerop);
-
-   pragma Import (C, Layout_Type);
-   pragma Import (C, Layout_Decl);
-
-   pragma Import (C, Expand_Start_Bindings_And_Block);
-   pragma Import (C, Expand_End_Bindings);
-
-   pragma Import (C, Init_Function_Start);
-   pragma Import (C, Expand_Function_Start);
-   pragma Import (C, Expand_Function_End);
-   pragma Import (C, Push_Function_Context);
-   pragma Import (C, Pop_Function_Context);
-   pragma Import (C, Put_Var_Into_Stack);
-
-   pragma Import (C, Expand_Null_Return);
-   pragma Import (C, Expand_Return);
-   pragma Import (C, Expand_Expr_Stmt);
-   pragma Import (C, Expand_Decl);
-   pragma Import (C, Expand_Decl_Init);
-
-   pragma Import (C, Expand_Exit_Something);
-
-   pragma Import (C, Expand_Start_Cond);
-   pragma Import (C, Expand_Start_Elseif);
-   pragma Import (C, Expand_Start_Else);
-   pragma Import (C, Expand_End_Cond);
-
-   pragma Import (C, Expand_Start_Loop);
-   pragma Import (C, Expand_Continue_Loop);
-   pragma Import (C, Expand_End_Loop);
-   pragma Import (C, Expand_Start_Loop_Continue_Elsewhere);
-   pragma Import (C, Expand_Loop_Continue_Here);
-   pragma Import (C, Expand_Exit_Loop);
-   pragma Import (C, Expand_Exit_Loop_If_False);
-
-   pragma Import (C, Expand_Start_Case);
-   pragma Import (C, Pushcase);
-   pragma Import (C, Pushcase_Range);
-   pragma Import (C, Add_Case_Node);
-   pragma Import (C, Expand_End_Case_Type);
-
-   pragma Import (C, Debug_Tree);
-
-   pragma Import (C, Fold);
-   pragma Import (C, Size_Binop);
-   pragma Import (C, Size_Int);
-   pragma Import (C, Convert);
-
-   -- Import pragma clauses for C MACROs.
-   pragma Import (C, Get_TREE_CODE);
-   pragma Import (C, Set_TREE_CONSTANT);
-   pragma Import (C, Get_TREE_CONSTANT);
-   pragma Import (C, Set_TREE_PUBLIC);
-   pragma Import (C, Set_TREE_STATIC);
-   pragma Import (C, Set_TREE_TYPE);
-   pragma Import (C, Get_TREE_TYPE);
-   pragma Import (C, Set_TREE_CHAIN);
-   pragma Import (C, Get_TREE_CHAIN);
-   pragma Import (C, Set_TREE_UNSIGNED);
-   pragma Import (C, Get_TREE_UNSIGNED);
-   pragma Import (C, Set_TREE_ADDRESSABLE);
-   pragma Import (C, Get_TREE_ADDRESSABLE);
-   pragma Import (C, Set_TREE_SIDE_EFFECTS);
-   pragma Import (C, Set_TREE_READONLY);
-   pragma Import (C, Get_TREE_OPERAND);
-   pragma Import (C, Set_TREE_OPERAND);
-   pragma Import (C, Get_TREE_THIS_VOLATILE);
-   pragma Import (C, Set_TREE_THIS_VOLATILE);
-   pragma Import (C, Get_TREE_PURPOSE);
-   pragma Import (C, Get_TREE_VALUE);
-   pragma Import (C, Get_TREE_USED);
-   pragma Import (C, Set_TREE_USED);
-
-   pragma Import (C, Get_TREE_INT_CST_LOW);
-   pragma Import (C, Get_TREE_INT_CST_HIGH);
-
-   pragma Import (C, Get_CONSTRUCTOR_ELTS);
-   pragma Import (C, Set_TYPE_VALUES);
-   pragma Import (C, Set_TYPE_NAME);
-   pragma Import (C, Get_TYPE_NAME);
-   pragma Import (C, Set_TYPE_MIN_VALUE);
-   pragma Import (C, Get_TYPE_MIN_VALUE);
-   pragma Import (C, Set_TYPE_MAX_VALUE);
-   pragma Import (C, Get_TYPE_MAX_VALUE);
-   pragma Import (C, Set_TYPE_SIZE);
-   pragma Import (C, Get_TYPE_SIZE);
-   pragma Import (C, Set_TYPE_PRECISION);
-   pragma Import (C, Get_TYPE_PRECISION);
-   pragma Import (C, Set_TYPE_FIELDS);
-   pragma Import (C, Get_TYPE_FIELDS);
-   pragma Import (C, Set_TYPE_STUB_DECL);
-   pragma Import (C, Set_TYPE_LANG_SPECIFIC);
-   pragma Import (C, Get_TYPE_LANG_SPECIFIC);
-   pragma Import (C, Get_TYPE_IS_SIZETYPE);
-   pragma Import (C, Get_TYPE_DOMAIN);
-   pragma Import (C, Set_TYPE_DOMAIN);
-   pragma Import (C, Get_TYPE_POINTER_TO);
-   pragma Import (C, Set_TYPE_POINTER_TO);
-   pragma Import (C, Get_TYPE_SIZE_UNIT);
-   pragma Import (C, INTEGRAL_TYPE_P);
-   pragma Import (C, Set_TYPE_MODE);
-   pragma Import (C, Get_TYPE_MODE);
-
-   pragma Import (C, Set_DECL_ARG_TYPE);
-   pragma Import (C, Set_DECL_EXTERNAL);
-   pragma Import (C, Get_DECL_EXTERNAL);
-   pragma Import (C, Set_DECL_ARGUMENTS);
-   pragma Import (C, Get_DECL_ARGUMENTS);
-   pragma Import (C, Set_DECL_RESULT);
-   pragma Import (C, Get_DECL_RESULT);
-   pragma Import (C, Set_DECL_CONTEXT);
-   pragma Import (C, Get_DECL_CONTEXT);
-   pragma Import (C, Get_DECL_INITIAL);
-   pragma Import (C, Set_DECL_INITIAL);
-   pragma Import (C, Get_DECL_NAME);
-   pragma Import (C, Set_DECL_ASSEMBLER_NAME, "set_DECL_ASSEMBLER_NAME");
-   pragma Import (C, Get_DECL_ASSEMBLER_NAME);
-   pragma Import (C, Set_DECL_BUILT_IN_CLASS);
-   pragma Import (C, Set_DECL_FUNCTION_CODE);
-   pragma Import (C, Get_DECL_FIELD_OFFSET);
-   pragma Import (C, Get_DECL_FIELD_BIT_OFFSET);
-
-   pragma Import (C, Get_BLOCK_SUPERCONTEXT);
-   pragma Import (C, Set_BLOCK_SUPERCONTEXT);
-   pragma Import (C, Set_BLOCK_VARS);
-
-   pragma Import (C, Get_IDENTIFIER_LENGTH);
-   pragma Import (C, Get_IDENTIFIER_POINTER);
-
-   pragma Import (C, Build_Common_Tree_Nodes);
-   pragma Import (C, Build_Common_Tree_Nodes_2);
-
-   pragma Import (C, Input_Filename);
-   pragma Import (C, Main_Input_Filename);
-   pragma Import (C, Lineno);
-
-   pragma Import (C, Tree_Identifier_Size);
-
-   pragma Import (C, Make_Decl_Rtl);
-end Agcc.Trees;
diff --git a/ortho/agcc/agcc.adb b/ortho/agcc/agcc.adb
deleted file mode 100644
index da2fe43..0000000
--- a/ortho/agcc/agcc.adb
+++ /dev/null
@@ -1,23 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-package body Agcc is
-   function "+" (B : C_Bool) return Boolean is
-   begin
-      return B /= C_False;
-   end "+";
-end Agcc;
diff --git a/ortho/agcc/agcc.ads b/ortho/agcc/agcc.ads
deleted file mode 100644
index c21745c..0000000
--- a/ortho/agcc/agcc.ads
+++ /dev/null
@@ -1,45 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with System;
-with Interfaces.C;
-
-package Agcc is
-   pragma Pure (Agcc);
-
-   subtype Chars is System.Address;
-   NULL_Chars : Chars renames System.Null_Address;
-
-   Nul : constant Character := Character'Val (0);
-
-   --  Names size_t.
-   type Size_T is new Interfaces.C.size_t;
-
-   --  Ada representation of boolean type in C.
-   --  Never compare with C_TRUE, since in C any value different from 0 is
-   --  considered as true.
-   type C_Bool is new Integer;
-   pragma Convention (C, C_Bool);
-
-   subtype C_Boolean is C_Bool range 0 .. 1;
-
-   C_False : constant C_Bool := 0;
-   C_True : constant C_Bool := 1;
-
-   function "+" (B : C_Bool) return Boolean;
-   pragma Inline ("+");
-end Agcc;
diff --git a/ortho/agcc/agcc.sed b/ortho/agcc/agcc.sed
deleted file mode 100644
index 9252e4a..0000000
--- a/ortho/agcc/agcc.sed
+++ /dev/null
@@ -1,23 +0,0 @@
-# SED script used to extract lines enclosed in /* BEGIN ... END  */ of a
-# gnatbind C generated files.
-# Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-
-# If the current line starts with /* BEGIN, read next line and go to keep.
-\@/* BEGIN@ {
- n
- b keep
-}
-# The current line is discarded, and a the cycle is restarted.
-d
-
-# keep the lines.
-: keep
-# If the current line starts with END, then it is removed and a new cycle is
-# started.
-\@  END@ d
-# Print the current line
-p
-# Read the next line
-n
-# Go to keep.
-b keep
diff --git a/ortho/agcc/c.adb b/ortho/agcc/c.adb
deleted file mode 100644
index 1b88636..0000000
--- a/ortho/agcc/c.adb
+++ /dev/null
@@ -1,55 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ada.Unchecked_Conversion;
-with System;
-
-package body C is
-   function C_String_Len (Str : C_String) return Natural is
-   begin
-      if Str = null then
-         return 0;
-      end if;
-      for I in Str'Range loop
-         if Str (I) = Character'Val (0) then
-            return I - 1;
-         end if;
-      end loop;
-      raise Program_Error;
-   end C_String_Len;
-
-   function Image (Str : C_Str_Len) return String is
-   begin
-      if Str.Str = null then
-         return ''' & Character'Val (Str.Len) & ''';
-      else
-         return Str.Str (1 .. Str.Len);
-      end if;
-   end Image;
-
-   function To_C_String (Acc : access String) return C_String
-   is
-      function Unchecked_Conversion is new Ada.Unchecked_Conversion
-        (Source => System.Address, Target => C_String);
-   begin
-      --  Check ACC is nul-terminated.
-      if Acc (Acc.all'Last) /= Character'Val (0) then
-         raise Program_Error;
-      end if;
-      return Unchecked_Conversion (Acc (Acc.all'First)'Address);
-   end To_C_String;
-end C;
diff --git a/ortho/agcc/c.ads b/ortho/agcc/c.ads
deleted file mode 100644
index 01ff030..0000000
--- a/ortho/agcc/c.ads
+++ /dev/null
@@ -1,64 +0,0 @@
---  Ada bindings for GCC internals.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ada.Unchecked_Conversion;
-with System;
-
-package C is
-   pragma Preelaborate (C);
-
-   --  Representation of a C String: this is an access to a bounded string.
-   --  Therefore, with GNAT, such an access is a thin pointer.
-   subtype Fat_C_String is String (Positive);
-   type C_String is access all Fat_C_String;
-   pragma Convention (C, C_String);
-
-   --  Convert an address to a C_STRING.
-   function To_C_String is new Ada.Unchecked_Conversion
-     (Source => System.Address, Target => C_String);
-
-   --  NULL for a string.
-   C_String_Null : constant C_String;
-
-   --  Convert an Ada access string to a C_String.
-   --  This simply takes the address of the first character of ACC.  This
-   --  is unchecked, so be careful with the life of ACC.
-   --  The last element of the string designated by ACC must be the NUL-char.
-   --  This is a little bit more restrictive than being only NUL-terminated.
-   function To_C_String (Acc : access String) return C_String;
-
-   --  Return the length of a C String (ie, the number of characters before
-   --  the Nul).
-   function C_String_Len (Str : C_String) return Natural;
-
-   --  An (very large) array of C String.  This is the type of ARGV.
-   type C_String_Array is array (Natural) of C_String;
-   pragma Convention (C, C_String_Array);
-
-   --  A structure for a string (len and address).
-   type C_Str_Len is record
-      Len : Natural;
-      Str : C_String;
-   end record;
-   pragma Convention (C_Pass_By_Copy, C_Str_Len);
-
-   type C_Str_Len_Acc is access C_Str_Len;
-
-   function Image (Str : C_Str_Len) return String;
-private
-   C_String_Null : constant C_String := null;
-end C;
diff --git a/ortho/agcc/gen_tree.c b/ortho/agcc/gen_tree.c
deleted file mode 100644
index ff826b4..0000000
--- a/ortho/agcc/gen_tree.c
+++ /dev/null
@@ -1,575 +0,0 @@
-/*  Ada bindings for GCC internals - generate Ada files.
-    Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-
-    GHDL 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, or (at your option) any later
-    version.
-
-    GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-    02111-1307, USA.
-*/
-
-#include "config.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "flags.h"
-#include "tree.h"
-#include "real.h"
-#include "options.h"
-#undef abort
-
-static const char *progname;
-
-/* Taken from tree.h.  */
-
-
-#define XSTR(X) #X
-#define STR(X) XSTR(X)
-static const char *treecode_sym[] =
-{
-#define DEFTREECODE(SYM, STRING, TYPE, NARGS)   #SYM,
-#include "tree.def"
-#undef DEFTREECODE
-  NULL
-};
-
-static const char *treecode_string[] =
-{
-#define DEFTREECODE(SYM, STRING, TYPE, NARGS)   STRING,
-#include "tree.def"
-#undef DEFTREECODE
-  NULL
-};
-
-void
-gen_tree_code (void)
-{
-  int i, j;
-  size_t len;
-  const size_t indent = 24;
-
-  for (i = 0; treecode_sym[i] != NULL; i++)
-    {
-      len = strlen (treecode_sym[i]);
-      printf ("      %s, ", treecode_sym[i]);
-      for (j = len; j < indent; j++)
-        putchar (' ');
-      printf ("-- %s\n", treecode_string[i]);
-    }
-  printf ("      LAST_AND_UNUSED_TREE_CODE\n");
-}
-
-static const char *built_in_function_sym[] =
-{
-#if 0
-#define DEF_BUILTIN(x) #x,
-#else
-#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, ATTR, IMP) #ENUM,
-#endif
-#include "builtins.def"
-#undef DEF_BUILTIN
-  NULL
-};
-
-static void
-print_underscore (const char *sym)
-{
-  for (; *sym != 0; sym++)
-    {
-      if (sym[0] == '_' && (sym[1] == '_' || sym[1] == 0))
-	fputs ("_u", stdout);
-      else
-	fputc (sym[0], stdout);
-    }
-}
-
-void
-gen_built_in_function (void)
-{
-  int i;
-  
-  for (i = 0; built_in_function_sym[i] != NULL; i++)
-    {
-      fputs ("      ", stdout);
-      print_underscore (built_in_function_sym[i]);
-      fputs (",\n", stdout);
-    }
-
-  printf ("      END_BUILTINS\n");
-}
-
-#if 0
-static const char *machmode_sym[] =
-{
-#if 0
-#define DEF_MACHMODE(SYM, NAME, TYPE, BITSIZE, SIZE, UNIT, WIDER)  #SYM,
-#else
-#define DEF_MACHMODE(SYM, NAME, TYPE, BITSIZE, SIZE, UNIT, WIDER, INNER) \
-  #SYM,
-#endif
-#include "machmode.def"
-#undef DEF_MACHMODE
-  NULL
-};
-#endif
-
-static void
-gen_machmode (void)
-{
-  int i;
-  char line[128];
-  FILE *f;
-  int do_emit;
-  char *p;
-
-  f = fopen ("insn-modes.h", "r");
-  if (f == NULL)
-    {
-      fprintf (stderr, "cannot open insn-modes\n");
-      exit (1);
-    }
-
-  do_emit = 0;
-  while (1)
-    {
-      if (fgets (line, sizeof (line), f) == NULL)
-	break;
-      if (!do_emit)
-	{
-	  if (strncmp (line, "enum machine_mode", 17) == 0)
-	    do_emit = 1;
-	}
-      else if (memcmp (line, "  MAX_MACHINE_MODE,", 19) == 0)
-	{
-	  fclose (f);
-	  break;
-	}
-      else	  
-	{
-	  /* Search for "  [A-Z0-9_]*mode,".  */
-	  p = line;
-	  if (p[0] != ' ' || p[1] != ' ')
-	    continue;
-	  p += 2;
-	  while ((*p >= 'A' && *p <= 'Z')
-		 || (*p >= '0' && *p <= '9')
-		 || (*p == '_'))
-	    p++;
-	  if (memcmp (p, "mode,", 5) == 0)
-	    {
-	      p[4] = 0;
-	      printf ("      %s,\n", line + 2);
-	    }
-	}
-
-    }
-  printf ("      MAX_MACHINE_MODE\n");
-}
-
-static void
-gen_options_CL (void)
-{
-  printf ("   CL_C : constant Integer := %d;\n", CL_C);
-  printf ("   CL_vhdl : constant Integer := %d;\n", CL_vhdl);
-}
-
-static void
-gen_options_OPTs (void)
-{
-  char line[128];
-  FILE *f;
-  int do_emit;
-  char *p;
-
-  f = fopen ("options.h", "r");
-  if (f == NULL)
-    {
-      fprintf (stderr, "cannot open options.h\n");
-      exit (1);
-    }
-
-  do_emit = 0;
-  while (1)
-    {
-      if (fgets (line, sizeof (line), f) == NULL)
-	break;
-      if (!do_emit)
-	{
-	  if (strncmp (line, "enum opt_code", 13) == 0)
-	    do_emit = 1;
-	}
-      else if (memcmp (line, "  N_OPTS", 9) == 0)
-	{
-	  fclose (f);
-	  break;
-	}
-      else	  
-	{
-	  /* Search for "  [A-Z0-9]*mode,".  */
-	  p = line;
-	  if (memcmp (p, "  OPT_", 6) != 0)
-	    continue;
-	  printf ("      OPT");
-	  for (p = line + 5; *p != ','; p++)
-	    {
-	      if (p[0] == '_' && (p[1] == ',' || p[1] == '_'))
-		fputs ("_U", stdout);
-	      else
-		{
-		  if (p[0] >= 'A' && p[0] <= 'Z')
-		    putchar ('U');
-		  putchar (p[0]);
-		}
-	    }
-	  printf (",\n");
-	}
-
-    }
-  printf ("       N_OPTS\n");
-}
-
-struct xtab_t
-{
-  int val;
-  const char *name;
-};
-
-void
-gen_enumeration (const struct xtab_t *xtab, int max, const char *max_name)
-{
-  int i;
-
-  for (i = 0; i < max; i++)
-    {
-      const struct xtab_t *t;
-
-      for (t = xtab; t->name; t++)
-        if (t->val == i)
-          break;
-
-      if (t->name == NULL)
-        {
-          fprintf (stderr, "gen_enumeration: kind %d unknown (max is %s)\n",
-		   i, max_name);
-          exit (1);
-        }
-
-      printf ("       %s,\n", t->name);
-    }
-  printf ("      %s\n", max_name);
-}
-
-const struct xtab_t size_type_names[] =
-{
-  { SIZETYPE, "TK_SIZETYPE" },
-  { SSIZETYPE, "TK_SSIZETYPE" },
-  { USIZETYPE, "TK_USIZETYPE" },
-  { BITSIZETYPE, "TK_BITSIZETYPE" },
-  { SBITSIZETYPE, "TK_SBITSIZETYPE" },
-  { UBITSIZETYPE, "TK_UBITSIZETYPE" },
-  { 0, NULL}
-};
-
-static void
-gen_size_type (void)
-{
-  gen_enumeration (size_type_names, TYPE_KIND_LAST, "TYPE_KIND_LAST");
-}
-
-
-const struct xtab_t type_qual_tab[] =
-{
-  { TYPE_UNQUALIFIED, "TYPE_UNQUALIFIED" },
-  { TYPE_QUAL_CONST, "TYPE_QUAL_CONST" },
-  { TYPE_QUAL_VOLATILE, "TYPE_QUAL_VOLATILE" },
-  { TYPE_QUAL_RESTRICT, "TYPE_QUAL_RESTRICT" },
-  { 0, NULL}
-};
-
-void
-gen_type_qual (void)
-{
-  const struct xtab_t *t;
-  for (t = type_qual_tab; t->name; t++)
-    printf ("   %s : constant Type_Qual_Type := %d;\n", t->name, t->val);
-}
-
-const struct xtab_t tree_index_tab[] =
-{
-  /* Defined in tree.h  */
-  { TI_ERROR_MARK, "TI_ERROR_MARK" },
-  { TI_INTQI_TYPE, "TI_INTQI_TYPE" },
-  { TI_INTHI_TYPE, "TI_INTHI_TYPE" },
-  { TI_INTSI_TYPE, "TI_INTSI_TYPE" },
-  { TI_INTDI_TYPE, "TI_INTDI_TYPE" },
-  { TI_INTTI_TYPE, "TI_INTTI_TYPE" },
-
-  { TI_UINTQI_TYPE, "TI_UINTQI_TYPE" },
-  { TI_UINTHI_TYPE, "TI_UINTHI_TYPE" },
-  { TI_UINTSI_TYPE, "TI_UINTSI_TYPE" },
-  { TI_UINTDI_TYPE, "TI_UINTDI_TYPE" },
-  { TI_UINTTI_TYPE, "TI_UINTTI_TYPE" },
-
-  { TI_INTEGER_ZERO, "TI_INTEGER_ZERO" },
-  { TI_INTEGER_ONE, "TI_INTEGER_ONE" },
-  { TI_INTEGER_MINUS_ONE, "TI_INTEGER_MINUS_ONE" },
-  { TI_NULL_POINTER, "TI_NULL_POINTER" },
-
-  { TI_SIZE_ZERO, "TI_SIZE_ZERO" },
-  { TI_SIZE_ONE, "TI_SIZE_ONE" },
-
-  { TI_BITSIZE_ZERO, "TI_BITSIZE_ZERO" },
-  { TI_BITSIZE_ONE, "TI_BITSIZE_ONE" },
-  { TI_BITSIZE_UNIT, "TI_BITSIZE_UNIT" },
-
-  { TI_PUBLIC, "TI_PUBLIC" },
-  { TI_PROTECTED, "TI_PROTECTED" },
-  { TI_PRIVATE, "TI_PRIVATE" },
-
-  { TI_BOOLEAN_FALSE, "TI_BOOLEAN_FALSE" },
-  { TI_BOOLEAN_TRUE, "TI_BOOLEAN_TRUE" },
-
-  { TI_COMPLEX_INTEGER_TYPE, "TI_COMPLEX_INTEGER_TYPE" },
-  { TI_COMPLEX_FLOAT_TYPE, "TI_COMPLEX_FLOAT_TYPE" },
-  { TI_COMPLEX_DOUBLE_TYPE, "TI_COMPLEX_DOUBLE_TYPE" },
-  { TI_COMPLEX_LONG_DOUBLE_TYPE, "TI_COMPLEX_LONG_DOUBLE_TYPE" },
-
-  { TI_FLOAT_TYPE, "TI_FLOAT_TYPE" },
-  { TI_DOUBLE_TYPE, "TI_DOUBLE_TYPE" },
-  { TI_LONG_DOUBLE_TYPE, "TI_LONG_DOUBLE_TYPE" },
-
-  { TI_FLOAT_PTR_TYPE, "TI_FLOAT_PTR_TYPE" },
-  { TI_DOUBLE_PTR_TYPE, "TI_DOUBLE_PTR_TYPE" },
-  { TI_LONG_DOUBLE_PTR_TYPE, "TI_LONG_DOUBLE_PTR_TYPE" },
-  { TI_INTEGER_PTR_TYPE, "TI_INTEGER_PTR_TYPE" },
-
-  { TI_VOID_TYPE, "TI_VOID_TYPE" },
-  { TI_PTR_TYPE, "TI_PTR_TYPE" },
-  { TI_CONST_PTR_TYPE, "TI_CONST_PTR_TYPE" },
-  { TI_SIZE_TYPE, "TI_SIZE_TYPE" },
-  { TI_PTRDIFF_TYPE, "TI_PTRDIFF_TYPE" },
-  { TI_VA_LIST_TYPE, "TI_VA_LIST_TYPE" },
-  { TI_BOOLEAN_TYPE, "TI_BOOLEAN_TYPE" },
-
-  { TI_VOID_LIST_NODE, "TI_VOID_LIST_NODE" },
-
-  { TI_UV4SF_TYPE, "TI_UV4SF_TYPE" },
-  { TI_UV4SI_TYPE, "TI_UV4SI_TYPE" },
-  { TI_UV8HI_TYPE, "TI_UV8HI_TYPE" },
-  { TI_UV8QI_TYPE, "TI_UV8QI_TYPE" },
-  { TI_UV4HI_TYPE, "TI_UV4HI_TYPE" },
-  { TI_UV2HI_TYPE, "TI_UV2HI_TYPE" },
-  { TI_UV2SI_TYPE, "TI_UV2SI_TYPE" },
-  { TI_UV2SF_TYPE, "TI_UV2SF_TYPE" },
-  { TI_UV2DI_TYPE, "TI_UV2DI_TYPE" },
-  { TI_UV1DI_TYPE, "TI_UV1DI_TYPE" },
-  { TI_UV16QI_TYPE, "TI_UV16QI_TYPE" },
-
-  { TI_V4SF_TYPE, "TI_V4SF_TYPE" },
-  { TI_V16SF_TYPE, "TI_V16SF_TYPE" },
-  { TI_V4SI_TYPE, "TI_V4SI_TYPE" },
-  { TI_V8HI_TYPE, "TI_V8HI_TYPE" },
-  { TI_V8QI_TYPE, "TI_V8QI_TYPE" },
-  { TI_V4HI_TYPE, "TI_V4HI_TYPE" },
-  { TI_V2HI_TYPE, "TI_V2HI_TYPE" },
-  { TI_V2SI_TYPE, "TI_V2SI_TYPE" },
-  { TI_V2SF_TYPE, "TI_V2SF_TYPE" },
-  { TI_V2DF_TYPE, "TI_V2DF_TYPE" },
-  { TI_V2DI_TYPE, "TI_V2DI_TYPE" },
-  { TI_V1DI_TYPE, "TI_V1DI_TYPE" },
-  { TI_V16QI_TYPE, "TI_V16QI_TYPE" },
-  { TI_V4DF_TYPE, "TI_V4DF_TYPE" },
-
-  { TI_MAIN_IDENTIFIER, "TI_MAIN_IDENTIFIER" },
-
-  { 0, NULL }
-};
-
-const struct xtab_t integer_types_tab[] =
-{
-  { itk_char, "itk_char" },
-  { itk_signed_char, "itk_signed_char" },
-  { itk_unsigned_char, "itk_unsigned_char" },
-  { itk_short, "itk_short" },
-  { itk_unsigned_short, "itk_unsigned_short" },
-  { itk_int, "itk_int" },
-  { itk_unsigned_int, "itk_unsigned_int" },
-  { itk_long, "itk_long" },
-  { itk_unsigned_long, "itk_unsigned_long" },
-  { itk_long_long, "itk_long_long" },
-  { itk_unsigned_long_long, "itk_unsigned_long_long" },
-  { 0, NULL }
-};
-
-
-void
-gen_tree_index (void)
-{
-  gen_enumeration (tree_index_tab, TI_MAX, "TI_MAX");
-}
-
-void
-gen_integer_types (void)
-{
-  gen_enumeration (integer_types_tab, itk_none, "itk_none");
-}
-
-static void
-gen_host_wide_int_decl (void)
-{
-  int l;
-  switch (sizeof (HOST_WIDE_INT))
-    {
-    case 4:
-      l = 32;
-      break;
-    case 8:
-      l = 64;
-      break;
-    default:
-      fprintf (stderr, "%s: cannot handle sizeof (HOST_WIDE_INT) %d\n",
-	       progname, sizeof (HOST_WIDE_INT));
-      exit (1);
-    }
-  printf ("   type HOST_WIDE_INT is new Interfaces.Integer_%d;\n", l);
-  printf ("   type UNSIGNED_HOST_WIDE_INT is new Interfaces.Unsigned_%d;\n",
-	  l);
-}
-
-static void
-gen_host_big_endian (void)
-{
-#ifdef HOST_WORDS_BIG_ENDIAN
-  printf ("   HOST_WORDS_BIG_ENDIAN : constant Boolean := True;\n");
-#else
-  printf ("   HOST_WORDS_BIG_ENDIAN : constant Boolean := False;\n");
-#endif
-}
-
-static void
-gen_real (void)
-{
-  printf ("   type Real_Value_Type_Arr is array (0 .. %d) of HOST_WIDE_INT;\n",
-	  (sizeof (REAL_VALUE_TYPE) / sizeof (HOST_WIDE_INT)) - 1);
-  printf ("   type REAL_VALUE_TYPE is record\n"
-	  "      r : Real_Value_Type_Arr;\n"
-	  "   end record;\n");
-}
-
-static void
-gen_tm (void)
-{
-#ifndef MAX_BITS_PER_WORD
-#define MAX_BITS_PER_WORD  BITS_PER_WORD
-#endif
-  /* This is a constant.  */
-  printf ("   MAX_BITS_PER_WORD : constant Natural := %d;\n",
-	  MAX_BITS_PER_WORD);
-}
-
-int
-main (int argc, char *argv[])
-{
-  FILE *infile;
-  char line[2048];
-  const char *filename;
-  int c;
-
-  progname = argv[0];
-
-  while ((c = getopt (argc, argv, "C:")) != -1)
-    switch (c)
-      {
-      case 'C':
-	chdir (optarg);
-	break;
-      case '?':
-	fprintf (stderr, "%s: unknown option '%s'\n", progname, optopt);
-	exit (1);
-      default:
-	abort ();
-      }
-
-  if (argc - optind != 1)
-    {
-      fprintf (stderr, "usage: %s FILENAME\n", progname);
-      exit (1);
-    }
-  filename = argv[optind];
-  if (strcmp (filename, "-") == 0)
-    infile = stdin;
-  else
-    infile = fopen (filename, "r");
-  if (infile == NULL)
-    {
-      fprintf (stderr, "%s: cannot open %s (%s)\n", progname, filename,
-               strerror (errno));
-      exit (1);
-    }
-#if 0
-#ifdef REAL_IS_NOT_DOUBLE
-  printf ("-- REAL_IS_NOT_DOUBLE is not yet implemented\n");
-  printf ("You loose\n");
-  return 1;
-#endif
-#endif
-  printf ("--  Automatically generated by %s\n", progname);
-  printf ("--    from %s\n", filename);
-  printf ("--  DO NOT EDIT THIS FILE\n");
-
-  while (fgets (line, sizeof (line), infile) != NULL)
-    {
-      if (line[0] != '@')
-        fputs (line, stdout);
-      else
-        {
-          char *p;
-
-          for (p = line + 1; isalpha (*p) || *p == '_'; p++)
-            ;
-          *p = 0;
-
-          if (!strcmp (line, "@tree_code"))
-            gen_tree_code ();
-	  else if (!strcmp (line, "@built_in_function"))
-	    gen_built_in_function ();
-          else if (!strcmp (line, "@size_type_kind"))
-            gen_size_type ();
-          else if (!strcmp (line, "@type_qual"))
-            gen_type_qual ();
-          else if (!strcmp (line, "@host_wide_int"))
-            gen_host_wide_int_decl ();
-          else if (!strcmp (line, "@tree_index"))
-            gen_tree_index ();
-          else if (!strcmp (line, "@integer_types"))
-            gen_integer_types ();
-          else if (!strcmp (line, "@host_big_endian"))
-	    gen_host_big_endian ();
-          else if (!strcmp (line, "@real"))
-	    gen_real ();
-          else if (!strcmp (line, "@machmode"))
-	    gen_machmode ();
-          else if (!strcmp (line, "@tm"))
-	    gen_tm ();
-	  else if (!strcmp (line, "@options_CL"))
-	    gen_options_CL ();
-	  else if (!strcmp (line, "@options_OPTs"))
-	    gen_options_OPTs ();
-          else
-            {
-              fprintf (stderr, "unknown code `%s'\n", line);
-              exit (1);
-            }
-        }
-    }
-  return 0;
-}
diff --git a/ortho/gcc34/Makefile b/ortho/gcc34/Makefile
deleted file mode 100644
index 9f8b327..0000000
--- a/ortho/gcc34/Makefile
+++ /dev/null
@@ -1,50 +0,0 @@
-#  Makefile of ortho implementation for GCC.
-#  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
-#
-#  GHDL 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, or (at your option) any later
-#  version.
-#
-#  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-#  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-#  02111-1307, USA.
-ortho_srcdir=..
-orthobe_srcdir=$(ortho_srcdir)/gcc
-agcc_srcdir=$(ortho_srcdir)/agcc
-agcc_objdir=.
-AGCC_GCCSRC_DIR:=$(HOME)/dist/gcc-3.4.3
-AGCC_GCCOBJ_DIR:=$(AGCC_GCCSRC_DIR)-objs
-SED=sed
-
-all: $(ortho_exec)
-
-include $(agcc_srcdir)/Makefile.inc
-
-ORTHO_BASENAME=$(orthobe_srcdir)/ortho_gcc
-ORTHO_PACKAGE=Ortho_Gcc
-
-include $(ortho_srcdir)/Makefile.inc
-
-$(ortho_exec): $(AGCC_DEPS) $(ORTHO_BASENAME).ads force
-	gnatmake -m -o $@ -g -aI$(agcc_srcdir) -aI$(ortho_srcdir) \
-	 -aI$(ortho_srcdir)/gcc $(GNAT_FLAGS) ortho_gcc-main \
-	 -bargs -E -largs $(AGCC_OBJS) #-static
-
-clean: agcc-clean
-	$(RM) -f *.o *.ali ortho_nodes-main
-	$(RM) b~*.ad? *~
-
-distclean: clean agcc-clean
-
-
-force:
-
-.PHONY: force all clean
-
diff --git a/ortho/gcc34/agcc-fe.adb b/ortho/gcc34/agcc-fe.adb
deleted file mode 100644
index 75ba795..0000000
--- a/ortho/gcc34/agcc-fe.adb
+++ /dev/null
@@ -1,776 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ada.Unchecked_Deallocation;
---with Agcc.Ggc; use Agcc.Ggc;
-with Agcc.Tm; use Agcc.Tm;
-with Agcc.Machmode; use Agcc.Machmode;
-with Agcc.Diagnostic;
-with Agcc.Input; use Agcc.Input;
-with Agcc.Options; use Agcc.Options;
-with Ortho_Gcc;
-with Ortho_Gcc_Front; use Ortho_Gcc_Front;
-
-package body Agcc.Fe is
-   File_Name : String_Acc;
-
-   Stdin_Filename : String_Acc := new String'("*stdin*" & Nul);
-
-   function Lang_Init_Options (Argc : Integer; Argv : C_String_Array)
-                              return Integer
-   is
-      pragma Unreferenced (Argc);
-      pragma Unreferenced (Argv);
-   begin
-      return CL_vhdl;
-   end Lang_Init_Options;
-
-   function Lang_Handle_Option (Code : Opt_Code;
-                                Arg : C_String;
-                                Value : Integer)
-     return Integer
-   is
-      pragma Unreferenced (Value);
-      --type String_Acc_Array_Acc is access String_Acc_Array;
-
-      procedure Unchecked_Deallocation is new Ada.Unchecked_Deallocation
-        (Name => String_Acc, Object => String);
-      --procedure Unchecked_Deallocation is new Ada.Unchecked_Deallocation
-      --  (Name => String_Acc_Array_Acc, Object => String_Acc_Array);
-
-      --C_Opt : C_String := Argv (0);
-      --C_Arg : C_String;
-      --Opt : String := C_Opt (1 .. C_String_Len (C_Opt));
-      Res : Natural;
-      Opt : String_Acc;
-      Opt_Arg : String_Acc;
-      Len : Natural;
-   begin
-      if Arg /= C_String_Null then
-         Len := C_String_Len (Arg);
-      else
-         Len := 0;
-      end if;
-      Opt_Arg := null;
-      case Code is
-         when OPT_U_std_U =>
-            Opt := new String'("--std=" & Arg (1 .. Len));
-         when OPT_U_compile_standard =>
-            Opt := new String'("--compile-standard");
-         when OPT_U_bootstrap =>
-            Opt := new String'("--bootstrap");
-         when OPT_U_work_U =>
-            Opt := new String'("--work=" & Arg (1 .. Len));
-         when OPT_U_workdir_U =>
-            Opt := new String'("--workdir=" & Arg (1 .. Len));
-         when OPT_UP =>
-            Opt := new String'("-P" & Arg (1 .. Len));
-         when OPT_U_elab =>
-            Opt := new String'("--elab");
-            Opt_Arg := new String'(Arg (1 .. Len));
-         when OPT_U_anaelab =>
-            Opt := new String'("--anaelab");
-            Opt_Arg := new String'(Arg (1 .. Len));
-         when OPT_l =>
-            Opt := new String'("-l");
-            Opt_Arg := new String'(Arg (1 .. Len));
-         when OPT_c =>
-            Opt := new String'("-c");
-            Opt_Arg := new String'(Arg (1 .. Len));
-         when OPT_U_ghdl  =>
-            Opt := new String'(Arg (1 .. Len));
-         when OPT_U_warn_U  =>
-            Opt := new String'("--warn-" & Arg (1 .. Len));
-         when OPT_U_expect_failure =>
-            Opt := new String'("--expect-failure");
-         when OPT_U_no_vital_checks =>
-            Opt := new String'("--no-vital-checks");
-         when OPT_U_vital_checks =>
-            Opt := new String'("--vital-checks");
-         when OPT_fexplicit =>
-            Opt := new String'("-fexplicit");
-         when OPT_v =>
-            Opt := new String'("-v");
-         when others =>
-            return 0;
-      end case;
-      Res := Ortho_Gcc_Front.Decode_Option (Opt, Opt_Arg);
-      Unchecked_Deallocation (Opt);
-      Unchecked_Deallocation (Opt_Arg);
-      return Res;
-   end Lang_Handle_Option;
-
-   function Lang_Post_Options (Filename : C_String_Acc) return C_Bool
-   is
-      Filename_Len : Natural;
-   begin
-      if Filename.all = C_String_Null then
-         File_Name := null;
-         Filename.all := To_C_String (Stdin_Filename);
-      else
-         Filename_Len := C_String_Len (Filename.all);
-         File_Name := new String'(Filename.all (1 .. Filename_Len));
-      end if;
-
-      --  Run the back-end.
-      return C_False;
-   end Lang_Post_Options;
-
-
-   procedure Lang_Parse_File (Debug : C_Bool)
-   is
-      pragma Unreferenced (Debug);
-   begin
-      if not Ortho_Gcc_Front.Parse (File_Name) then
-         Agcc.Diagnostic.Set_Errorcount (1);
-      end if;
-   end Lang_Parse_File;
-
-   function Lang_Get_Alias_Set (T : Tree) return HOST_WIDE_INT
-   is
-      pragma Unreferenced (T);
-   begin
-      return -1;
-   end Lang_Get_Alias_Set;
-
-   --function Lang_Safe_From_P (Target : Rtx; Exp : Tree) return Boolean;
-
-   function Mark_Addressable (Exp : Tree) return C_Bool
-   is
-      N : Tree;
-      Code : Tree_Code;
-   begin
-      N := Exp;
-      loop
-         Code := Get_TREE_CODE (N);
-         case Code is
-            when VAR_DECL
-              | CONST_DECL
-              | PARM_DECL
-              | RESULT_DECL =>
-               Put_Var_Into_Stack (N, C_True);
-               Set_TREE_ADDRESSABLE (N, C_True);
-               return C_True;
-
-            when COMPONENT_REF
-              | ARRAY_REF =>
-               N := Get_TREE_OPERAND (N, 0);
-
-            when FUNCTION_DECL
-              | CONSTRUCTOR =>
-               Set_TREE_ADDRESSABLE (N, C_True);
-               return C_True;
-
-            when INDIRECT_REF =>
-               return C_True;
-
-            when others =>
-               raise Program_Error;
-         end case;
-      end loop;
-   end Mark_Addressable;
-
-   procedure Insert_Default_Attributes (Func : Tree)
-   is
-      pragma Unreferenced (Func);
-   begin
-      null;
-   end Insert_Default_Attributes;
-
-   --  These functions and variables deal with binding contours.
-
-   --  For each binding contour we allocate a binding_level structure which
-   --  records the entities defined or declared in that contour.
-   --  Contours include:
-   --
-   --     the global one
-   --     one for each subprogram definition
-   --     one for each compound statement (declare block)
-   --
-   --  Binding contours are used to create GCC tree BLOCK nodes.
-
-   --  BE CAREFUL: this structure is also declared in agcc-bindings.c
-   type Binding_Level;
-   type Binding_Level_Acc is access Binding_Level;
-   type Binding_Level is record
-      --  A chain of ..._DECL nodes for all variables, constants, functions,
-      --  parameters and type declarations.  These ..._DECL nodes are chained
-      --  through the TREE_CHAIN field. Note that these ..._DECL nodes are
-      --  stored in the reverse of the order supplied to be compatible with
-      --  the back-end.
-      Names : Tree;
-
-      --  For each level (except the global one), a chain of BLOCK nodes for
-      --  all the levels that were entered and exited one level down from this
-      --  one.
-      Blocks : Tree;
-
-      --  The back end may need, for its own internal processing, to create a
-      --  BLOCK node. This field is set aside for this purpose. If this field
-      --  is non-null when the level is popped, i.e. when poplevel is invoked,
-      --  we will use such block instead of creating a new one from the
-      --  'names' field, that is the ..._DECL nodes accumulated so far.
-      --  Typically the routine 'pushlevel' will be called before setting this
-      --  field, so that if the front-end had inserted ..._DECL nodes in the
-      --  current block they will not be lost.
-      Block_Created_By_Back_End : Tree;
-
-      --  The binding level containing this one (the enclosing binding level).
-      Level_Chain : Binding_Level_Acc;
-   end record;
-   pragma Convention (C, Binding_Level_Acc);
-   pragma Convention (C, Binding_Level);
-
-   --  The binding level currently in effect.
-   Current_Binding_Level : Binding_Level_Acc := null;
-   pragma Export (C, Current_Binding_Level);
-
-   --  The outermost binding level. This binding level is created when the
-   --  compiler is started and it will exist through the entire compilation.
-   Global_Binding_Level : Binding_Level_Acc;
-
-   --  Chain of unused binding levels, since they are never deallocated.
-   Old_Binding_Level : Binding_Level_Acc := null;
-   pragma Export (C, Old_Binding_Level);
-
-   function Alloc_Binding_Level return Binding_Level_Acc;
-   pragma Import (C, Alloc_Binding_Level);
-
-   -- Binding level structures are initialized by copying this one.
-   Clear_Binding_Level : constant Binding_Level :=
-     (Names => NULL_TREE,
-      Blocks => NULL_TREE,
-      Block_Created_By_Back_End => NULL_TREE,
-      Level_Chain => null);
-
-   -- Return non-zero if we are currently in the global binding level.
-   function Global_Bindings_P return Integer is
-   begin
-      if Current_Binding_Level = Global_Binding_Level then
-         return 1;
-      else
-         return 0;
-      end if;
-   end Global_Bindings_P;
-
-   --  Return the list of declarations in the current level. Note that this
-   --  list is in reverse order (it has to be so for back-end compatibility).
-   function Getdecls return Tree is
-   begin
-      return Current_Binding_Level.Names;
-   end Getdecls;
-
-   --  Nonzero if the current level needs to have a BLOCK made.
---    function Kept_Level_P return Boolean is
---    begin
---       return Current_Binding_Level.Names /= NULL_TREE;
---    end Kept_Level_P;
-
-   --  Enter a new binding level. The input parameter is ignored, but has to
-   --  be specified for back-end compatibility.
-   procedure Pushlevel (Inside : C_Bool)
-   is
-      pragma Unreferenced (Inside);
-      Newlevel : Binding_Level_Acc;
-
-   begin
-      if Old_Binding_Level /= null then
-         Newlevel := Old_Binding_Level;
-         Old_Binding_Level := Old_Binding_Level.Level_Chain;
-      else
-         Newlevel := Alloc_Binding_Level;
-      end if;
-      Newlevel.all := Clear_Binding_Level;
-
-      --  Add this level to the front of the chain (stack) of levels that are
-      --  active.
-      Newlevel.Level_Chain := Current_Binding_Level;
-      Current_Binding_Level := Newlevel;
-   end Pushlevel;
-
-   --  Exit a binding level.
-   --  Pop the level off, and restore the state of the identifier-decl mappings
-   --  that were in effect when this level was entered.
-   --
-   --  If KEEP is nonzero, this level had explicit declarations, so
-   --  and create a "block" (a BLOCK node) for the level
-   --  to record its declarations and subblocks for symbol table output.
-   --
-   --  If FUNCTIONBODY is nonzero, this level is the body of a function,
-   --  so create a block as if KEEP were set and also clear out all
-   --  label names.
-   --
-   --  If REVERSE is nonzero, reverse the order of decls before putting
-   --  them into the BLOCK.
-   function Exported_Poplevel
-     (Keep : C_Bool; Revers : C_Bool; Functionbody : C_Bool)
-     return Tree
-   is
-      --  Points to a BLOCK tree node. This is the BLOCK node construted for
-      --  the binding level that we are about to exit and which is returned
-      --  by this routine.
-      Block_Node : Tree := NULL_TREE;
-
-      Decl_Chain : Tree;
-      Subblock_Chain : Tree;
-      Subblock_Node : Tree;
-      Block_Created_By_Back_End : Tree;
-
-      N : Tree;
-      Tmp : Binding_Level_Acc;
-   begin
-      Decl_Chain := Current_Binding_Level.Names;
-      Block_Created_By_Back_End :=
-        Current_Binding_Level.Block_Created_By_Back_End;
-      Subblock_Chain := Current_Binding_Level.Blocks;
-
-      --  Pop the current level, and save it on the chain of old binding
-      --  levels.
-      Tmp := Current_Binding_Level;
-      Current_Binding_Level := Tmp.Level_Chain;
-      Tmp.Level_Chain := Old_Binding_Level;
-      Old_Binding_Level := Tmp;
-
-      --  Reverse the list of XXXX_DECL nodes if desired.  Note that
-      --  the ..._DECL nodes chained through the `names' field of
-      --  current_binding_level are in reverse order except for PARM_DECL node,
-      --  which are explicitely stored in the right order.
-      if Revers /= C_False then
-         Decl_Chain := Nreverse (Decl_Chain);
-      end if;
-
-      if Block_Created_By_Back_End /= NULL_TREE then
-         Block_Node := Block_Created_By_Back_End;
-
-         --  Check if we are about to discard some information that was
-         --  gathered by the front-end. Nameley check if the back-end created
-         --  a new block without calling pushlevel first. To understand why
-         --  things are lost just look at the next case (i.e. no block
-         --  created by back-end.  */
-         if (Keep /= C_False or Functionbody /= C_False)
-           and then (Decl_Chain /= NULL_TREE or Subblock_Chain /= NULL_TREE)
-         then
-            raise Program_Error;
-         end if;
-      elsif Keep /= C_False or Functionbody /= C_False then
-         --  If there were any declarations in the current binding level, or if
-         --  this binding level is a function body, or if there are any nested
-         --  blocks then create a BLOCK node to record them for the life of
-         --  this function.
-         if Keep /= C_False then
-            N := Decl_Chain;
-         else
-            N := NULL_TREE;
-         end if;
-         Block_Node := Build_Block
-           (N, NULL_TREE, Subblock_Chain, NULL_TREE, NULL_TREE);
-      end if;
-
-      --  Record the BLOCK node just built as the subblock its enclosing scope.
-      Subblock_Node := Subblock_Chain;
-      while Subblock_Node /= NULL_TREE loop
-         Set_BLOCK_SUPERCONTEXT (Subblock_Node, Block_Node);
-         Subblock_Node := Get_TREE_CHAIN (Subblock_Node);
-      end loop;
-
-      --  Clear out the meanings of the local variables of this level.
-      Subblock_Node := Decl_Chain;
-      while Subblock_Node /= NULL_TREE loop
-
-         if Get_DECL_NAME (Subblock_Node) /= NULL_TREE then
-            --  If the identifier was used or addressed via a local
-            --  extern decl, don't forget that fact.
-            if Get_DECL_EXTERNAL (Subblock_Node) /= C_False then
-               if Get_TREE_USED (Subblock_Node) /= C_False then
-                  Set_TREE_USED (Get_DECL_NAME (Subblock_Node), C_True);
-               end if;
-               if Get_TREE_ADDRESSABLE (Subblock_Node) /= C_False then
-                  Set_TREE_ADDRESSABLE
-                    (Get_DECL_ASSEMBLER_NAME (Subblock_Node), C_True);
-               end if;
-            end if;
-         end if;
-         Subblock_Node := Get_TREE_CHAIN (Subblock_Node);
-      end loop;
-
-      if Functionbody /= C_False then
-         --  This is the top level block of a function. The ..._DECL chain
-         --  stored in BLOCK_VARS are the function's parameters (PARM_DECL
-         --  nodes). Don't leave them in the BLOCK because they are found
-         --  in the FUNCTION_DECL instead.
-         Set_DECL_INITIAL (Current_Function_Decl, Block_Node);
-         Set_BLOCK_VARS (Block_Node, NULL_TREE);
-      elsif Block_Node /= NULL_TREE then
-         if Block_Created_By_Back_End = NULL_TREE then
-            Current_Binding_Level.Blocks
-              := Chainon (Current_Binding_Level.Blocks, Block_Node);
-         end if;
-      elsif Subblock_Chain /= NULL_TREE then
-         --  If we did not make a block for the level just exited, any blocks
-         --  made for inner levels (since they cannot be recorded as subblocks
-         --  in that level) must be carried forward so they will later become
-         --  subblocks of something else.
-         Current_Binding_Level.Blocks
-           := Chainon (Current_Binding_Level.Blocks, Subblock_Chain);
-      end if;
-
-      if Block_Node /= NULL_TREE then
-         Set_TREE_USED (Block_Node, C_True);
-      end if;
-
-      return Block_Node;
-   end Exported_Poplevel;
-
-   --  Insert BLOCK at the end of the list of subblocks of the
-   --  current binding level.  This is used when a BIND_EXPR is expanded,
-   --  to handle the BLOCK node inside the BIND_EXPR.
-   procedure Insert_Block (Block : Tree) is
-   begin
-      Set_TREE_USED (Block, C_True);
-      Current_Binding_Level.Blocks
-        := Chainon (Current_Binding_Level.Blocks, Block);
-   end Insert_Block;
-
-   --  Set the BLOCK node for the innermost scope (the one we are
-   --  currently in).
-   procedure Set_Block (Block : Tree) is
-   begin
-      Current_Binding_Level.Block_Created_By_Back_End := Block;
-   end Set_Block;
-
-   --  Records a ..._DECL node DECL as belonging to the current lexical scope.
-   --  Returns the ..._DECL node.
-   function Exported_Pushdecl (Decl : Tree) return Tree
-   is
-   begin
-      --  External objects aren't nested, other objects may be.
-      if Get_DECL_EXTERNAL (Decl) /= C_False then
-         Set_DECL_CONTEXT (Decl, NULL_TREE);
-      else
-         Set_DECL_CONTEXT (Decl, Current_Function_Decl);
-      end if;
-
-      --  Put the declaration on the list.  The list of declarations is in
-      --  reverse order. The list will be reversed later if necessary.  This
-      --  needs to be this way for compatibility with the back-end.
-      Set_TREE_CHAIN (Decl, Current_Binding_Level.Names);
-      Current_Binding_Level.Names := Decl;
-
-      -- For the declaration of a type, set its name if it is not already set.
-      if Get_TREE_CODE (Decl) = TYPE_DECL
-        and then Get_TYPE_NAME (Get_TREE_TYPE (Decl)) = NULL_TREE
-      then
-         Set_TYPE_NAME (Get_TREE_TYPE (Decl), Decl); -- DECL_NAME (decl);
-      end if;
-
-      return Decl;
-   end Exported_Pushdecl;
-
-   --  This variable keeps a table for types for each precision so that we only
-   --  allocate each of them once. Signed and unsigned types are kept separate.
-   type Signed_And_Unsigned_Types_Array_Type is
-     array (Natural range 0 .. MAX_BITS_PER_WORD, C_Boolean) of Tree;
-   Signed_And_Unsigned_Types : Signed_And_Unsigned_Types_Array_Type :=
-     (others => (others => NULL_TREE));
-   pragma Export (C, Signed_And_Unsigned_Types);
-
-   --  Return an integer type with the number of bits of precision given by
-   --  PRECISION.  UNSIGNEDP is nonzero if the type is unsigned; otherwise
-   --  it is a signed type.
-   function Type_For_Size (Precision : Natural; Unsignedp : C_Bool)
-     return Tree
-   is
-      T : Tree;
-   begin
-      if Precision <= MAX_BITS_PER_WORD
-        and then Signed_And_Unsigned_Types (Precision, Unsignedp) /= NULL_TREE
-      then
-         return Signed_And_Unsigned_Types (Precision, Unsignedp);
-      end if;
-
-      if Unsignedp /= C_False then
-         T := Make_Unsigned_Type (Precision);
-      else
-         T := Make_Signed_Type (Precision);
-      end if;
-      if Precision <= MAX_BITS_PER_WORD then
-         Signed_And_Unsigned_Types (Precision, Unsignedp) := T;
-      end if;
-      return T;
-   end Type_For_Size;
-
-   --  Return a data type that has machine mode MODE.  UNSIGNEDP selects
-   --  an unsigned type; otherwise a signed type is returned.
-   function Type_For_Mode (Mode : Machine_Mode; Unsignedp : C_Bool)
-     return Tree
-   is
-   begin
-      return Type_For_Size (GET_MODE_BITSIZE (Mode), Unsignedp);
-   end Type_For_Mode;
-
-   --  Return the unsigned version of a TYPE_NODE, a scalar type.
-   function Unsigned_Type (Type_Node : Tree) return Tree
-   is
-   begin
-      return Type_For_Size (Get_TYPE_PRECISION (Type_Node), C_True);
-   end Unsigned_Type;
-
-   --  Return the signed version of a TYPE_NODE, a scalar type.
-   function Signed_Type (Type_Node : Tree) return Tree
-   is
-   begin
-      return Type_For_Size (Get_TYPE_PRECISION (Type_Node), C_False);
-   end Signed_Type;
-
-   --  Return a type the same as TYPE except unsigned or signed according to
-   --  UNSIGNEDP.
-   function Signed_Or_Unsigned_Type (Unsignedp : C_Bool; Atype : Tree)
-     return Tree
-   is
-   begin
-      if INTEGRAL_TYPE_P (Atype) = C_False
-        or else Get_TREE_UNSIGNED (Atype) = Unsignedp
-      then
-         return Atype;
-      else
-         return Type_For_Size (Get_TYPE_PRECISION (Atype), Unsignedp);
-      end if;
-   end Signed_Or_Unsigned_Type;
-
-
-   --procedure Init_Type_For_Size;
-   --pragma Import (C, Init_Type_For_Size);
-
-   Int_Str : constant String := "int" & Nul;
-   Char_Str : constant String := "char" & Nul;
-
-   Builtin_Alloca_Str : constant String := "__builtin_alloca" & Nul;
-
-   function Lang_Init return C_Bool
-   is
-      --File : String renames Filename (1 .. Filename_Len);
-      Ptr_Ftype_Sizetype : Tree;
-      Alloca_Function : Tree;
-   begin
-      --Error_Mark_Node := Make_Node (ERROR_MARK);
-      --Set_TREE_TYPE (Error_Mark_Node, Error_Mark_Node);
-
-      --Initialize_Sizetypes;
-
-      --  The structure `tree_identifier' is the GCC tree data structure that
-      --  holds IDENTIFIER_NODE nodes. We need to call `set_identifier_size'
-      --  to tell GCC that we have not added any language specific fields to
-      --  IDENTIFIER_NODE nodes.
-      --Set_Identifier_Size (Tree_Identifier_Size);
-      Input_Location.Line := 0;
-
-      -- Make the binding_level structure for global names.
-      Pushlevel (C_False);
-      Global_Binding_Level := Current_Binding_Level;
-
-      Build_Common_Tree_Nodes (C_False);
-      Pushdecl (Build_Decl (TYPE_DECL, Get_Identifier (Int_Str'Address),
-                            Integer_Type_Node));
-      Pushdecl (Build_Decl (TYPE_DECL, Get_Identifier (Char_Str'Address),
-                            Char_Type_Node));
-      Set_Sizetype (Unsigned_Type_Node);
-      Build_Common_Tree_Nodes_2 (C_False);
-
-      --Init_Type_For_Size;
-
-      --  Create alloc builtin.
-      Ptr_Ftype_Sizetype := Build_Function_Type
-        (Ptr_Type_Node,
-         Tree_Cons (NULL_TREE, Get_TYPE_DOMAIN (Sizetype), NULL_TREE));
-      Alloca_Function := Builtin_Function
-        (Builtin_Alloca_Str'Address, Ptr_Ftype_Sizetype,
-         BUILT_IN_ALLOCA, BUILT_IN_NORMAL, System.Null_Address);
-      Ortho_Gcc.Alloca_Function_Ptr := Build1
-        (ADDR_EXPR, Build_Pointer_Type (Ptr_Ftype_Sizetype), Alloca_Function);
---        Ggc_Add_Tree_Root (Ortho_Gcc.Alloca_Function_Ptr'Address, 1);
-
-      Ortho_Gcc.Init;
-
-      --  Continue.
-      return C_True;
-   end Lang_Init;
-
-   procedure Lang_Finish is
-   begin
-      null;
-   end Lang_Finish;
-
-   --  Return a definition for a builtin function named NAME and whose data
-   --  type is TYPE.  TYPE should be a function type with argument types.
-   --  FUNCTION_CODE tells later passes how to compile calls to this function.
-   --  See tree.h for its possible values.
-   --
-   --  If LIBRARY_NAME is nonzero, use that for DECL_ASSEMBLER_NAME,
-   --  the name to be called if we can't opencode the function.
-   function Builtin_Function
-     (Name: System.Address;
-      Ftype : Tree;
-      Function_Code : Built_In_Function;
-      Class : Built_In_Class;
-      Library_Name : System.Address)
-     return Tree
-   is
-      use System;
-      Decl : Tree;
-   begin
-      Decl := Build_Decl (FUNCTION_DECL, Get_Identifier (Name), Ftype);
-      Set_DECL_EXTERNAL (Decl, C_True);
-      Set_TREE_PUBLIC (Decl, C_True);
-      if Library_Name /= Null_Address then
-         Set_DECL_ASSEMBLER_NAME (Decl, Get_Identifier (Library_Name));
-      end if;
-      Make_Decl_Rtl (Decl, NULL_Chars, C_True);
-      Pushdecl (Decl);
-      Set_DECL_BUILT_IN_CLASS (Decl, Class);
-      Set_DECL_FUNCTION_CODE (Decl, Function_Code);
-      return Decl;
-   end Builtin_Function;
-
-   procedure Set_Yydebug (Flag : C_Bool)
-   is
-      pragma Unreferenced (Flag);
-   begin
-      null;
-   end Set_Yydebug;
-
-   procedure Print_Lang_Decl (File : FILEs; Node : Tree; Indent : natural)
-   is
-      pragma Unreferenced (File);
-      pragma Unreferenced (Node);
-      pragma Unreferenced (Indent);
-   begin
-      null;
-   end Print_Lang_Decl;
-
-   procedure Print_Lang_Type (File : FILEs; Node : Tree; Indent : Natural)
-   is
-      pragma Unreferenced (File);
-      pragma Unreferenced (Node);
-      pragma Unreferenced (Indent);
-   begin
-      null;
-   end Print_Lang_Type;
-
-   procedure Print_Lang_Identifier
-     (File : FILEs; Node : Tree; Indent : Natural)
-   is
-      pragma Unreferenced (File);
-      pragma Unreferenced (Node);
-      pragma Unreferenced (Indent);
-   begin
-      null;
-   end Print_Lang_Identifier;
-
-   procedure Lang_Print_Xnode (File : FILEs; Node : Tree; Indent : Natural)
-   is
-      pragma Unreferenced (File);
-      pragma Unreferenced (Node);
-      pragma Unreferenced (Indent);
-   begin
-      --  There is no X nodes.
-      raise Program_Error;
-   end Lang_Print_Xnode;
-
-   procedure Print_Lang_Statistics is
-   begin
-      null;
-   end Print_Lang_Statistics;
-
-   procedure Copy_Lang_Decl (Node : Tree)
-   is
-      pragma Unreferenced (Node);
-   begin
-      null;
-   end Copy_Lang_Decl;
-
-   function Truthvalue_Conversion (Expr : Tree) return Tree
-   is
-      Expr_Type : Tree;
-      type Conv_Array is array (Boolean) of Tree;
-      Conv : Conv_Array;
-   begin
-      Expr_Type := Get_TREE_TYPE (Expr);
-      if Get_TREE_CODE (Expr_Type) /= BOOLEAN_TYPE then
-         Conv := (True => Integer_One_Node,
-                  False => Integer_Zero_Node);
-      else
-         Conv := (False => Get_TYPE_MIN_VALUE (Expr_Type),
-                  True => Get_TYPE_MAX_VALUE (Expr_Type));
-      end if;
-
-      --  From java/decl.c
-      --  It is simpler and generates better code to have only TRUTH_*_EXPR
-      --  or comparison expressions as truth values at this level.
-
-      case Get_TREE_CODE (Expr) is
-         when EQ_EXPR
-           | NE_EXPR
-           | LE_EXPR
-           | GE_EXPR
-           | LT_EXPR
-           | GT_EXPR
-           | TRUTH_ANDIF_EXPR
-           | TRUTH_ORIF_EXPR
-           | TRUTH_AND_EXPR
-           | TRUTH_OR_EXPR
-           | ERROR_MARK =>
-            return Expr;
-
-         when INTEGER_CST =>
-            if Integer_Zerop (Expr) = C_False then
-               --  EXPR is not 0, so EXPR is interpreted as TRUE.
-               return Conv (True);
-            else
-               return Conv (False);
-            end if;
-
-         when REAL_CST =>
-            if Real_Zerop (Expr) = C_False then
-               return Conv (True);
-            else
-               return Conv (False);
-            end if;
-
-         when others =>
-            raise Program_Error;
-      end case;
-   end Truthvalue_Conversion;
-
-   procedure Incomplete_Type_Error (Value : Tree; Atype : Tree)
-   is
-      pragma Unreferenced (Value);
-      pragma Unreferenced (Atype);
-   begin
-      --  Can never happen.
-      raise Program_Error;
-   end Incomplete_Type_Error;
-
-   function Maybe_Build_Cleanup (Decl : Tree) return Tree
-   is
-      pragma Unreferenced (Decl);
-   begin
-      return NULL_TREE;
-   end Maybe_Build_Cleanup;
-
-   Language_Name : constant String := "GNU vhdl" & Nul;
-   pragma Export (C, Language_Name);
-end Agcc.Fe;
diff --git a/ortho/gcc34/lang.opt b/ortho/gcc34/lang.opt
deleted file mode 100644
index b2f650a..0000000
--- a/ortho/gcc34/lang.opt
+++ /dev/null
@@ -1,88 +0,0 @@
-;  Options for the VHDL front-end.
-;  Copyright (C) 2003, 2004, 2005 Tristan Gingold
-;
-;  GHDL 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, or (at your option) any later
-;  version.
-;
-;  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
-;  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-;  02111-1307, USA.
-
-Language
-vhdl
-
--std=
-vhdl Joined
-Select the vhdl standard
-
--compile-standard
-vhdl
-Used during compiler build to compile the std.standard package
-
--bootstrap
-vhdl
-Used during compiler build to compile std packages
-
--work=
-vhdl Joined
-Set the name of the work library
-
--workdir=
-vhdl Joined
-Set the directory of the work library
-
-P
-vhdl Joined
--P<dir>	Add <dir> to the end of the vhdl library path
-
--elab
-vhdl Separate
---elab <name>	Used internally during elaboration of <name>
-
--anaelab
-vhdl Separate
---anaelab <name>	Used internally during elaboration of <name>
-
-c
-vhdl Separate
--c <filename>	Analyze <filename> for --anaelab
-
-v
-vhdl
-Verbose
-
--warn-
-vhdl Joined
---warn-<name>	Warn about <name>
-
--ghdl
-vhdl Joined
---ghdl-<option>	Pass <option> to vhdl front-end
-
--expect-failure
-vhdl
-Expect a compiler error (used for testsuite)
-
--no-vital-checks
-vhdl
-Disable VITAL checks
-
--vital-checks
-vhdl
-Enable VITAL checks
-
-fexplicit
-vhdl
-Explicit functions override implicit functions
-
-l
-vhdl Joined Separate
--l<filename>	Put list of files for link in <filename>
diff --git a/ortho/gcc34/ortho_gcc-main.adb b/ortho/gcc34/ortho_gcc-main.adb
deleted file mode 100644
index 5ee7a76..0000000
--- a/ortho/gcc34/ortho_gcc-main.adb
+++ /dev/null
@@ -1,44 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with System;
-with Ortho_Gcc_Front;
-with Agcc.Toplev;
-with Ada.Command_Line; use Ada.Command_Line;
-
-procedure Ortho_Gcc.Main
-is
-   gnat_argc : Integer;
-   gnat_argv : System.Address;
-   gnat_envp : System.Address;
-
-   pragma Import (C, gnat_argc);
-   pragma Import (C, gnat_argv);
-   pragma Import (C, gnat_envp);
-
-   Status : Exit_Status;
-begin
-   Ortho_Gcc_Front.Init;
-
-   --  Note: GCC set signal handlers...
-   Status := Exit_Status (Agcc.Toplev.Toplev_Main (gnat_argc, gnat_argv));
-   Set_Exit_Status (Status);
-exception
-   when others =>
-      Set_Exit_Status (2);
-      return;
-end Ortho_Gcc.Main;
diff --git a/ortho/gcc34/ortho_gcc-main.ads b/ortho/gcc34/ortho_gcc-main.ads
deleted file mode 100644
index fd79cf4..0000000
--- a/ortho/gcc34/ortho_gcc-main.ads
+++ /dev/null
@@ -1,18 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-procedure Ortho_Gcc.Main;
diff --git a/ortho/gcc34/ortho_gcc.adb b/ortho/gcc34/ortho_gcc.adb
deleted file mode 100644
index 66a3f1a..0000000
--- a/ortho/gcc34/ortho_gcc.adb
+++ /dev/null
@@ -1,1362 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
---with Ada.Unchecked_Conversion;
-with Agcc; use Agcc;
-with Agcc.Hwint; use Agcc.Hwint;
-with Agcc.Toplev; use Agcc.Toplev;
-with Agcc.Tm; use Agcc.Tm;
-with Agcc.Stor_Layout; use Agcc.Stor_Layout;
-with Agcc.Machmode;
-with System;
-with Agcc.Autils; use Agcc.Autils;
-with Agcc.Real; use Agcc.Real;
-with Agcc.Fe; use Agcc.Fe;
-with Agcc.Rtl; use Agcc.Rtl;
-with Agcc.Input; use Agcc.Input;
-with Agcc.Machmode;
-
-package body Ortho_Gcc is
-   type ON_Op_To_Tree_Code_Type is array (ON_Op_Kind) of Tree_Code;
-   ON_Op_To_Tree_Code : constant ON_Op_To_Tree_Code_Type :=
-     (
-      --  Dyadic operations.
-      ON_Add_Ov => PLUS_EXPR,
-      ON_Sub_Ov => MINUS_EXPR,
-      ON_Mul_Ov => MULT_EXPR,
-      ON_Div_Ov => ERROR_MARK,
-      ON_Rem_Ov => TRUNC_MOD_EXPR,
-      ON_Mod_Ov => FLOOR_MOD_EXPR,
-
-      --  Binary operations.
-      ON_And => TRUTH_AND_EXPR,
-      ON_Or => TRUTH_OR_EXPR,
-      ON_Xor => TRUTH_XOR_EXPR,
-      ON_And_Then => TRUTH_ANDIF_EXPR,
-      ON_Or_Else => TRUTH_ORIF_EXPR,
-
-      --  Monadic operations.
-      ON_Not => TRUTH_NOT_EXPR,
-      ON_Neg_Ov => NEGATE_EXPR,
-      ON_Abs_Ov => ABS_EXPR,
-
-      --  Comparaisons
-      ON_Eq => EQ_EXPR,
-      ON_Neq => NE_EXPR,
-      ON_Le => LE_EXPR,
-      ON_Lt => LT_EXPR,
-      ON_Ge => GE_EXPR,
-      ON_Gt => GT_EXPR,
-
-      ON_Nil => ERROR_MARK
-      );
-
-   --  Constants used for FP rounding.
-   Fp_Const_P5 : REAL_VALUE_TYPE;   -- 0.5
-   Fp_Const_M_P5 : REAL_VALUE_TYPE; -- -0.5
-   Fp_Const_Zero : REAL_VALUE_TYPE; -- 0.0
-
-   procedure Init
-   is
-      use Agcc.Machmode;
-
-      L, H : HOST_WIDE_INT;
-      V : REAL_VALUE_TYPE;
-   begin
-      To_Host_Wide_Int (Integer_64'(1), L, H);
-      REAL_VALUE_FROM_INT (V'Address, L, H, DFmode);
-      Fp_Const_P5 := REAL_VALUE_LDEXP (V, -1);
-
-      To_Host_Wide_Int (Integer_64'(-1), L, H);
-      REAL_VALUE_FROM_INT (V'Address, L, H, DFmode);
-      Fp_Const_M_P5 := REAL_VALUE_LDEXP (V, -1);
-
-      To_Host_Wide_Int (Integer_64'(0), L, H);
-      REAL_VALUE_FROM_INT (Fp_Const_Zero'Address, L, H, DFmode);
-   end Init;
-
-   procedure Chain_Init (Constr : out Chain_Constr_Type) is
-   begin
-      Constr.First := NULL_TREE;
-      Constr.Last := NULL_TREE;
-   end Chain_Init;
-
-   procedure Chain_Append (Constr : in out Chain_Constr_Type; El : Tree)
-   is
-   begin
-      if Constr.First = NULL_TREE then
-         if Constr.Last /= NULL_TREE then
-            raise Program_Error;
-         end if;
-         Constr.First := El;
-      else
-         Set_TREE_CHAIN (Constr.Last, El);
-      end if;
-      Constr.Last := El;
-   end Chain_Append;
-
-
-   procedure List_Init (Constr : out List_Constr_Type) is
-   begin
-      Constr := (First => NULL_TREE, Last => NULL_TREE);
-   end List_Init;
-
-   procedure List_Append (Constr : in out List_Constr_Type; El : Tree)
-   is
-      Res : Tree;
-   begin
-      Res := Tree_Cons (NULL_TREE, El, NULL_TREE);
-      if Constr.First = NULL_TREE then
-         Constr.First := Res;
-      else
-         Set_TREE_CHAIN (Constr.Last, Res);
-      end if;
-      Constr.Last := Res;
-   end List_Append;
-
-
-   function New_Dyadic_Op (Kind : ON_Dyadic_Op_Kind; Left, Right : O_Enode)
-     return O_Enode
-   is
-      Left_Type : Tree;
-      Code : Tree_Code;
-   begin
-      Left_Type := Get_TREE_TYPE (Tree (Left));
-      if Left_Type /= Get_TREE_TYPE (Tree (Right)) then
-         raise Type_Error;
-      end if;
-      case Kind is
-         when ON_Div_Ov =>
-            if Get_TREE_CODE (Left_Type) = REAL_TYPE then
-               Code := RDIV_EXPR;
-            else
-               Code := TRUNC_DIV_EXPR;
-            end if;
-         when others =>
-            Code := ON_Op_To_Tree_Code (Kind);
-      end case;
-      return O_Enode (Build (Code, Left_Type, Tree (Left), Tree (Right)));
-   end New_Dyadic_Op;
-
-   function New_Monadic_Op (Kind : ON_Monadic_Op_Kind; Operand : O_Enode)
-     return O_Enode
-   is
-   begin
-      return Build1 (ON_Op_To_Tree_Code (Kind),
-                     Get_TREE_TYPE (Operand), Operand);
-   end New_Monadic_Op;
-
-   function New_Compare_Op
-     (Kind : ON_Compare_Op_Kind; Left, Right : O_Enode; Ntype : O_Tnode)
-     return O_Enode
-   is
-   begin
-      if Get_TREE_CODE (Ntype) /= BOOLEAN_TYPE then
-         raise Type_Error;
-      end if;
-      if Get_TREE_TYPE (Left) /= Get_TREE_TYPE (Right) then
-         raise Type_Error;
-      end if;
-      return O_Enode (Build (ON_Op_To_Tree_Code (Kind),
-                             Tree (Ntype), Tree (Left), Tree (Right)));
-   end New_Compare_Op;
-
---   function Unchecked_Conversion is new
---   Ada.Unchecked_Conversion (Source => Unsigned_32, Target => HOST_WIDE_INT);
-
---    function High_Part (V : Unsigned_64) return HOST_WIDE_INT
---    is
---    begin
---       return Unchecked_Conversion (Unsigned_32 (Shift_Left (V, 32)));
---    end High_Part;
-
---    function Low_Part (V : Unsigned_64) return HOST_WIDE_INT
---    is
---    begin
---       return Unchecked_Conversion
---         (Unsigned_32 (V and (Unsigned_32'Modulus - 1)));
---    end Low_Part;
-
-   function New_Signed_Literal (Ltype : O_Tnode; Value : Integer_64)
-     return O_Cnode
-   is
-      L, H : HOST_WIDE_INT;
-      Res : Tree;
-   begin
-      To_Host_Wide_Int (Value, L, H);
-      Res := Build_Int_2 (L, H);
-      Set_TREE_TYPE (Res, Tree (Ltype));
-      return O_Cnode (Res);
-   end New_Signed_Literal;
-
-   function New_Unsigned_Literal (Ltype : O_Tnode; Value : Unsigned_64)
-     return O_Cnode
-   is
-      Res : Tree;
-      L, H : HOST_WIDE_INT;
-   begin
-      To_Host_Wide_Int (Value, L, H);
-      Res := Build_Int_2 (L, H);
-      Set_TREE_TYPE (Res, Tree (Ltype));
-      return O_Cnode (Res);
-   end New_Unsigned_Literal;
-
-   function New_Null_Access (Ltype : O_Tnode) return O_Cnode
-   is
-      Res : Tree;
-   begin
-      Res := Build_Int_2 (0, 0);
-      Set_TREE_TYPE (Res, Tree (Ltype));
-      return O_Cnode (Res);
-   end New_Null_Access;
-
-   function New_Float_Literal (Ltype : O_Tnode; Value : IEEE_Float_64)
-                              return O_Cnode
-   is
-      Res : REAL_VALUE_TYPE;
-   begin
-      Res := To_Real_Value_Type (Value);
-      return O_Cnode (Build_Real (Tree (Ltype), Res));
-   end New_Float_Literal;
-
-   procedure Check_Constrained_Type (Atype : O_Tnode)
-   is
-      pragma Unreferenced (Atype);
-   begin
-      null;
-   end Check_Constrained_Type;
-
-   procedure Finish_Type_Def (Atype : O_Tnode) is
-   begin
-      Layout_Type (Atype);
-      --Rest_Of_Type_Compilation (Tree (Atype), True);
-   end Finish_Type_Def;
-
-   procedure New_Uncomplete_Record_Type (Res : out O_Tnode) is
-   begin
-      Res := Make_Node (RECORD_TYPE);
-   end New_Uncomplete_Record_Type;
-
-   procedure Start_Record_Type (Elements : out O_Element_List) is
-   begin
-      Elements.Res := Make_Node (RECORD_TYPE);
-      Chain_Init (Elements.Chain);
-   end Start_Record_Type;
-
-   procedure Start_Uncomplete_Record_Type (Res : O_Tnode;
-                                           Elements : out O_Element_List) is
-   begin
-      Elements.Res := Tree (Res);
-      Chain_Init (Elements.Chain);
-   end Start_Uncomplete_Record_Type;
-
-   procedure New_Record_Union_Field
-     (Elements : in out O_Element_List;
-      El : out O_Fnode;
-      Ident : O_Ident; Etype : O_Tnode)
-   is
-      Res : Tree;
-   begin
-      Check_Constrained_Type (Etype);
-      Res := Build_Decl (FIELD_DECL, Ident, Tree (Etype));
-      Set_DECL_CONTEXT (Res, Elements.Res);
-      Chain_Append (Elements.Chain, Res);
-      El := O_Fnode (Res);
-   end New_Record_Union_Field;
-
-   procedure New_Record_Field
-     (Elements : in out O_Element_List;
-      El : out O_Fnode;
-      Ident : O_Ident; Etype : O_Tnode)
-     renames New_Record_Union_Field;
-
-   procedure Finish_Record_Type
-     (Elements : in out O_Element_List; Res : out O_Tnode) is
-   begin
-      Set_TYPE_FIELDS (Elements.Res, Elements.Chain.First);
-      Finish_Type_Def (O_Tnode (Elements.Res));
-      Res := O_Tnode (Elements.Res);
-      if Get_TYPE_NAME (Elements.Res) /= NULL_TREE then
-         --  The type was completed.
-         Rest_Of_Type_Compilation (Elements.Res, C_True);
-      end if;
-   end Finish_Record_Type;
-
-   procedure Start_Union_Type (Elements : out O_Element_List) is
-   begin
-      Elements.Res := Make_Node (UNION_TYPE);
-      Chain_Init (Elements.Chain);
-   end Start_Union_Type;
-
-   procedure New_Union_Field
-     (Elements : in out O_Element_List;
-      El : out O_Fnode;
-      Ident : O_Ident; Etype : O_Tnode)
-     renames New_Record_Union_Field;
-
-   procedure Finish_Union_Type
-     (Elements : in out O_Element_List; Res : out O_Tnode) is
-   begin
-      Set_TYPE_FIELDS (Elements.Res, Elements.Chain.First);
-      Finish_Type_Def (O_Tnode (Elements.Res));
-      Res := O_Tnode (Elements.Res);
-   end Finish_Union_Type;
-
-   function New_Access_Type (Dtype : O_Tnode) return O_Tnode
-   is
-      Res : Tree;
-   begin
-      if Dtype = O_Tnode_Null then
-         Res := Make_Node (POINTER_TYPE);
-         Set_TREE_TYPE (Res, NULL_TREE);
-         Set_TYPE_MODE (Res, Machmode.Ptr_Mode);
-         Layout_Type (Res);
-         return O_Tnode (Res);
-      else
-         return Build_Pointer_Type (Dtype);
-      end if;
-   end New_Access_Type;
-
-   procedure Finish_Access_Type (Atype : O_Tnode; Dtype : O_Tnode) is
-   begin
-      if Get_TREE_CODE (Atype) /= POINTER_TYPE
-        or else Get_TREE_TYPE (Atype) /= O_Tnode_Null
-      then
-         raise Syntax_Error;
-      end if;
-      Set_TREE_TYPE (Atype, Dtype);
-   end Finish_Access_Type;
-
-   function New_Array_Type (El_Type : O_Tnode; Index_Type : O_Tnode)
-     return O_Tnode
-   is
-   begin
-      Check_Constrained_Type (El_Type);
-      return Build_Array_Type (El_Type, Index_Type);
-   end New_Array_Type;
-
-   function New_Constrained_Array_Type (Atype : O_Tnode; Length : O_Cnode)
-     return O_Tnode
-   is
-      Range_Type : Tree;
-      Index_Type : Tree;
-      Len : Tree;
-      One : Tree;
-   begin
-      --if Atype.Kind /= ON_Array_Type then
-      --   raise Type_Error;
-      --end if;
-      Index_Type := Get_TYPE_DOMAIN (Tree (Atype));
-      if +Integer_Zerop (Tree (Length)) then
-         --  Handle null array, by creating a one-length array...
-         Len := Size_Zero_Node;
-      else
-         One := Build_Int_2 (1, 0);
-         Set_TREE_TYPE (One, Index_Type);
-         Len := Build (MINUS_EXPR, Index_Type, Tree (Length), One);
-         Len := Fold (Len);
-      end if;
-      Range_Type := Build_Range_Type (Index_Type, Size_Zero_Node, Len);
-      return O_Tnode (Build_Array_Type (Get_TREE_TYPE (Tree (Atype)),
-                                        Range_Type));
-   end New_Constrained_Array_Type;
-
-   function New_Unsigned_Type (Size : Natural) return O_Tnode
-   is
-   begin
-      return Make_Unsigned_Type (Size);
-   end New_Unsigned_Type;
-
-   function New_Signed_Type (Size : Natural) return O_Tnode
-   is
-   begin
-      return Make_Signed_Type (Size);
-   end New_Signed_Type;
-
-   function New_Float_Type return O_Tnode is
-      Res : O_Tnode;
-   begin
-      Res := Make_Node (REAL_TYPE);
-      Set_TYPE_PRECISION (Res, DOUBLE_TYPE_SIZE);
-      Layout_Type (Res);
-      return Res;
-   end New_Float_Type;
-
-   procedure New_Boolean_Type (Res : out O_Tnode;
-                               False_Id : O_Ident;
-                               False_E : out O_Cnode;
-                               True_Id : O_Ident;
-                               True_E : out O_Cnode)
-   is
-      pragma Unreferenced (False_Id);
-      pragma Unreferenced (True_Id);
-   begin
-      --  see java/decl.c
-      Res := O_Tnode'(Make_Node (BOOLEAN_TYPE));
-      Set_TYPE_PRECISION (Tree (Res), 1);
-      Fixup_Unsigned_Type (Tree (Res));
-      False_E := O_Cnode (Get_TYPE_MIN_VALUE (Tree (Res)));
-      True_E := O_Cnode (Get_TYPE_MAX_VALUE (Tree (Res)));
-   end New_Boolean_Type;
-
-   procedure Start_Enum_Type (List : out O_Enum_List; Size : Natural)
-   is
-   begin
-      List.Res := Make_Node (ENUMERAL_TYPE);
-      Chain_Init (List.Chain);
-      List.Num := 0;
-      List.Size := Size;
-   end Start_Enum_Type;
-
-   procedure New_Enum_Literal
-     (List : in out O_Enum_List; Ident : O_Ident; Res : out O_Cnode)
-   is
-   begin
-      Res := Build_Int_2 (HOST_WIDE_INT (List.Num), 0);
-      Set_TREE_TYPE (Tree (Res), List.Res);
-      Chain_Append (List.Chain, Tree_Cons (Ident, Tree (Res), NULL_TREE));
-      List.Num := List.Num + 1;
-   end New_Enum_Literal;
-
-   procedure Finish_Enum_Type (List : in out O_Enum_List; Res : out O_Tnode) is
-   begin
-      Res := O_Tnode (List.Res);
-      Set_TYPE_VALUES (List.Res, List.Chain.First);
-      Set_TYPE_MIN_VALUE (List.Res, Get_TREE_VALUE (List.Chain.First));
-      Set_TYPE_MAX_VALUE (List.Res, Get_TREE_VALUE (List.Chain.Last));
-      Set_TREE_UNSIGNED (List.Res, C_True);
-      Set_TYPE_PRECISION (List.Res, Integer (List.Size));
-      Finish_Type_Def (Res);
-   end Finish_Enum_Type;
-
-   procedure Start_Record_Aggr (List : out O_Record_Aggr_List; Atype : O_Tnode)
-   is
-   begin
-      List.Atype := Tree (Atype);
-      Chain_Init (List.Chain);
-   end Start_Record_Aggr;
-
-   procedure New_Record_Aggr_El
-     (List : in out O_Record_Aggr_List; Value : O_Cnode)
-   is
-   begin
-      --  FIXME: should check type of value.
-      Chain_Append (List.Chain,
-                    Build_Tree_List (NULL_TREE, Tree (Value)));
-   end New_Record_Aggr_El;
-
-   procedure Finish_Record_Aggr
-     (List : in out O_Record_Aggr_List; Res : out O_Cnode)
-   is
-   begin
-      Res := O_Cnode (Build_Constructor (List.Atype, List.Chain.First));
-   end Finish_Record_Aggr;
-
-   procedure Start_Array_Aggr (List : out O_Array_Aggr_List; Atype : O_Tnode)
-   is
-   begin
-      List.Atype := Tree (Atype);
-      Chain_Init (List.Chain);
-   end Start_Array_Aggr;
-
-   procedure New_Array_Aggr_El
-     (List : in out O_Array_Aggr_List; Value : O_Cnode)
-   is
-   begin
-      --  FIXME: should check type of value.
-      Chain_Append (List.Chain,
-                    Build_Tree_List (NULL_TREE, Tree (Value)));
-   end New_Array_Aggr_El;
-
-   procedure Finish_Array_Aggr
-     (List : in out O_Array_Aggr_List; Res : out O_Cnode)
-   is
-   begin
-      Res := O_Cnode (Build_Constructor (List.Atype, List.Chain.First));
-   end Finish_Array_Aggr;
-
-   function New_Union_Aggr (Atype : O_Tnode; Field : O_Fnode; Value : O_Cnode)
-                           return O_Cnode
-   is
-      El : Tree;
-      Res : Tree;
-   begin
-      El := Build_Tree_List (Tree (Field), Tree (Value));
-      Res := Build_Constructor (Tree (Atype), El);
-      Set_TREE_CONSTANT (Res, C_True);
-      return O_Cnode (Res);
-   end New_Union_Aggr;
-
-   function New_Indexed_Element (Arr : O_Lnode; Index : O_Enode)
-     return O_Lnode
-   is
-      Res : Tree;
-      V : C_Bool;
-   begin
-      V := Mark_Addressable (Tree (Arr));
-      Res := Build (ARRAY_REF, Get_TREE_TYPE (Get_TREE_TYPE (Tree (Arr))),
-                    Tree (Arr), Tree (Index));
-      return O_Lnode (Res);
-   end New_Indexed_Element;
-
-   function New_Slice (Arr : O_Lnode; Res_Type : O_Tnode; Index : O_Enode)
-     return O_Lnode
-   is
-      Res : Tree;
-      Ptr_Type : Tree;
-      V : C_Bool;
-   begin
-      --  *((RES_TYPE *)(&ARR[INDEX]))
-      --  convert ARR to a pointer, add index, and reconvert to array ?
-      if Get_TREE_CODE (Res_Type) /= ARRAY_TYPE then
-         raise Type_Error;
-      end if;
-      V := Mark_Addressable (Tree (Arr));
-      Ptr_Type := Build_Pointer_Type (Tree (Res_Type));
-      Res := Build (ARRAY_REF, Get_TREE_TYPE (Get_TREE_TYPE (Tree (Arr))),
-                    Tree (Arr), Tree (Index));
-      Res := Build1 (ADDR_EXPR, Ptr_Type, Res);
-      Res := Build1 (INDIRECT_REF, Tree (Res_Type), Res);
-      return O_Lnode (Res);
-   end New_Slice;
-
-   function New_Selected_Element (Rec : O_Lnode; El : O_Fnode)
-     return O_Lnode
-   is
-   begin
-      if Get_TREE_CODE (Get_TREE_TYPE (Rec)) /= RECORD_TYPE then
-         raise Type_Error;
-      end if;
-      return O_Lnode (Build (COMPONENT_REF, Get_TREE_TYPE (Tree (El)),
-                             Tree (Rec), Tree (El)));
-   end New_Selected_Element;
-
-   function New_Access_Element (Acc : O_Enode) return O_Lnode
-   is
-      Acc_Type : Tree;
-   begin
-      Acc_Type := Get_TREE_TYPE (Tree (Acc));
-      if Get_TREE_CODE (Acc_Type) /= POINTER_TYPE then
-         raise Type_Error;
-      end if;
-      return O_Lnode (Build1 (INDIRECT_REF, Get_TREE_TYPE (Acc_Type),
-                              Tree (Acc)));
-   end New_Access_Element;
-
-   function New_Convert_Ov (Val : O_Enode; Rtype : O_Tnode) return O_Enode
-   is
-      Val_Type : Tree;
-      Val_Code : Tree_Code;
-      Rtype_Code : Tree_Code;
-      Code : Tree_Code;
-   begin
-      Val_Type := Get_TREE_TYPE (Tree (Val));
-      if Val_Type = Tree (Rtype) then
-         return Val;
-      end if;
-      --  FIXME: check conversions.
-      Val_Code := Get_TREE_CODE (Val_Type);
-      Rtype_Code := Get_TREE_CODE (Rtype);
-      if Val_Code = POINTER_TYPE and then Rtype_Code = POINTER_TYPE then
-         Code := NOP_EXPR;
-      elsif Val_Code = INTEGER_TYPE and then Rtype_Code = INTEGER_TYPE then
-         Code := CONVERT_EXPR;
-      elsif Val_Code = REAL_TYPE and then Rtype_Code = INTEGER_TYPE then
-         --  REAL to INTEGER
-         --  Gcc only handles FIX_TRUNC_EXPR, but we need rounding.
-         declare
-            M_P5 : Tree;
-            P5 : Tree;
-            Zero : Tree;
-            Saved : Tree;
-            Comp : Tree;
-            Adj : Tree;
-            Res : Tree;
-         begin
-            M_P5 := Build_Real (Val_Type, Fp_Const_M_P5);
-            P5 := Build_Real (Val_Type, Fp_Const_P5);
-            Zero := Build_Real (Val_Type, Fp_Const_Zero);
-            Saved := Build_Save_Expr (Tree (Val));
-            Comp := Build (GE_EXPR, Integer_Type_Node, Saved, Zero);
-            --  FIXME: instead of res = res + (comp ? .5 : -.5)
-            --                 do: res = res (comp ? + : -) .5
-            Adj := Build (COND_EXPR, Val_Type, Comp, P5, M_P5);
-            Res := Build (PLUS_EXPR, Val_Type, Saved, Adj);
-            Res := Build1 (FIX_TRUNC_EXPR, Tree (Rtype), Res);
-            return O_Enode (Res);
-         end;
-      elsif Val_Code = INTEGER_TYPE and then Rtype_Code = ENUMERAL_TYPE then
-         Code := CONVERT_EXPR;
-      elsif Val_Code = ENUMERAL_TYPE and then Rtype_Code = INTEGER_TYPE then
-         Code := CONVERT_EXPR;
-      elsif Val_Code = INTEGER_TYPE and then Rtype_Code = REAL_TYPE then
-         Code := FLOAT_EXPR;
-      elsif Val_Code = BOOLEAN_TYPE and then Rtype_Code = BOOLEAN_TYPE then
-         Code := NOP_EXPR;
-      elsif Val_Code = BOOLEAN_TYPE and then Rtype_Code = INTEGER_TYPE then
-         Code := CONVERT_EXPR;
-      elsif Val_Code = INTEGER_TYPE and then Rtype_Code = BOOLEAN_TYPE then
-         --  From integer to boolean.
-         Code := NOP_EXPR;
-      elsif Val_Code = REAL_TYPE and then Rtype_Code = REAL_TYPE then
-         Code := CONVERT_EXPR;
-      else
-         raise Program_Error;
-      end if;
-      return O_Enode (Build1 (Code, Tree (Rtype), Tree (Val)));
-   end New_Convert_Ov;
-
-   function Build_Addr (Operand : Tree; Atype : Tree) return Tree
-   is
-      use Agcc.Machmode;
-      Result : Tree;
-   begin
-      case Get_TREE_CODE (Operand) is
-         when INDIRECT_REF =>
-            --  This may be an unchecked conversion.
-            Result := Get_TREE_OPERAND (Operand, 0);
-            if Get_TREE_CODE (Get_TREE_TYPE (Result)) /= POINTER_TYPE then
-               raise Program_Error;
-            end if;
-            return Result;
-
-         when ARRAY_REF
-           | COMPONENT_REF =>
-            --  Find the address of the prefix and add the offset.
-            declare
-               Op_Type : Tree;
-               Bitsize, Bitpos : HOST_WIDE_INT;
-               Inner, Offset : Tree;
-               Mode : Machine_Mode;
-               Unsignedp, Volatilep : Integer;
-            begin
-               Op_Type := Get_TREE_TYPE (Get_TREE_OPERAND (Operand, 0));
-               Inner := Get_Inner_Reference
-                 (Operand, Bitsize'Address, Bitpos'Address, Offset'Address,
-                  Mode'Address, Unsignedp'Address, Volatilep'Address);
-
-               -- Compute the offset as a byte offset from INNER.  */
-               if Offset = NULL_TREE then
-                  Offset := Size_Zero_Node;
-               end if;
-
-               Offset := Size_Binop
-                 (PLUS_EXPR, Offset,
-                  Size_Int (Bitpos / HOST_WIDE_INT (BITS_PER_UNIT)));
-
-               -- Take the address of INNER, convert the offset to void *, and
-               -- add then.  It will later be converted to the desired result
-               -- type, if any.
-               Inner := Build_Addr (Inner, Ptr_Type_Node);
-               Inner := Convert (Ptr_Type_Node, Inner);
-               Offset := Convert (Ptr_Type_Node, Offset);
-               Result := Fold
-                 (Build (PLUS_EXPR, Ptr_Type_Node, Inner, Offset));
-               return Result;
-            end;
-
-         when VAR_DECL =>
-            --  This is like Mark_Addressable.
-            Put_Var_Into_Stack (Operand, C_True);
-            Set_TREE_ADDRESSABLE (Operand, C_True);
-            return Build1 (ADDR_EXPR, Atype, Operand);
-
-         when others =>
-            raise Program_Error;
-      end case;
-   end Build_Addr;
-
-   function New_Addr (Lvalue : Tree; Atype : O_Tnode)
-                     return Tree
-   is
-      Result : Tree;
-   begin
-      Result := Build_Addr (Lvalue, Tree (Atype));
-      if Get_TREE_TYPE (Result) /= Tree (Atype) then
-         if Get_TREE_CODE (Get_TREE_TYPE (Result)) /= POINTER_TYPE then
-            raise Program_Error;
-         end if;
-         Result := Build1 (NOP_EXPR, Tree (Atype), Result);
-      end if;
-      return Result;
-      --return O_Enode (Build1 (ADDR_EXPR, Tree (Atype), Tree (Lvalue)));
-   end New_Addr;
-
-   function New_Unchecked_Address (Lvalue : O_Lnode; Atype : O_Tnode)
-                                  return O_Enode
-   is
-   begin
-      return O_Enode (New_Addr (Tree (Lvalue), Atype));
-   end New_Unchecked_Address;
-
-   function New_Address (Lvalue : O_Lnode; Atype : O_Tnode) return O_Enode
-   is
-   begin
-      --if Get_TREE_TYPE (Lvalue) /= Get_TREE_TYPE (Atype) then
-      --   raise Type_Error;
-      --end if;
-      return O_Enode (New_Addr (Tree (Lvalue), Atype));
-   end New_Address;
-
-   function New_Global_Unchecked_Address (Decl : O_Dnode; Atype : O_Tnode)
-                                         return O_Cnode
-   is
-   begin
-      return O_Cnode (New_Addr (Tree (Decl), Atype));
-   end New_Global_Unchecked_Address;
-
-   function New_Global_Address (Decl : O_Dnode; Atype : O_Tnode) return O_Cnode
-   is
-   begin
-      --if Get_TREE_TYPE (Lvalue) /= Get_TREE_TYPE (Atype) then
-      --   raise Type_Error;
-      --end if;
-      return O_Cnode (New_Addr (Tree (Decl), Atype));
-   end New_Global_Address;
-
-   function New_Subprogram_Address (Subprg : O_Dnode; Atype : O_Tnode)
-     return O_Cnode
-   is
-   begin
-      return O_Cnode (Build1 (ADDR_EXPR, Tree (Atype), Tree (Subprg)));
-   end New_Subprogram_Address;
-
-   function New_Value (Lvalue : O_Lnode) return O_Enode is
-   begin
-      return O_Enode (Lvalue);
-   end New_Value;
-
-   function New_Obj_Value (Obj : O_Dnode) return O_Enode is
-   begin
-      return O_Enode (Obj);
-   end New_Obj_Value;
-
-   function New_Obj (Obj : O_Dnode) return O_Lnode is
-   begin
-      return O_Lnode (Obj);
-   end New_Obj;
-
-   function New_Lit (Lit : O_Cnode) return O_Enode is
-   begin
-      return O_Enode (Lit);
-   end New_Lit;
-
-   function New_Offsetof (Field : O_Fnode; Rtype : O_Tnode) return O_Cnode
-   is
-      Off : Tree;
-      Bit_Off : Tree;
-      Pos : HOST_WIDE_INT;
-      Res : Tree;
-   begin
-      Off := Get_DECL_FIELD_OFFSET (Tree (Field));
-      if Host_Integerp (Off, 1) = 0 then
-         --  The offset must be a constant.
-         raise Program_Error;
-      end if;
-      Bit_Off := Get_DECL_FIELD_BIT_OFFSET (Tree (Field));
-      if Host_Integerp (Bit_Off, 1) = 0 then
-         --  The offset must be a constant.
-         raise Program_Error;
-      end if;
-      Pos := Get_TREE_INT_CST_LOW (Off)
-        + (Get_TREE_INT_CST_LOW (Bit_Off) / HOST_WIDE_INT (BITS_PER_UNIT));
-      Res := Build_Int_2 (Pos, 0);
-      Set_TREE_TYPE (Res, Tree (Rtype));
-      return O_Cnode (Res);
-   end New_Offsetof;
-
-   function New_Sizeof (Atype : O_Tnode; Rtype : O_Tnode) return O_Cnode
-   is
-      Size : Tree;
-   begin
-      Size := Get_TYPE_SIZE_UNIT (Tree (Atype));
-      --Size := Size_Binop (CEIL_DIV_EXPR, Size,
-      --                    Size_Int (HOST_WIDE_INT (BITS_PER_UNIT)));
-
-      return O_Cnode (Fold (Build1 (NOP_EXPR, Tree (Rtype), Size)));
-   end New_Sizeof;
-
-   function New_Alloca (Rtype : O_Tnode; Size : O_Enode) return O_Enode
-   is
-      Var : Tree;
-      Var_Type : Tree;
-      Res : Tree;
-   begin
-      --  Create a dummy variable of the correct size.
-      --  This way, the storage will be deallocated at the end of the scope.
-      Var_Type := Build_Array_Type (Char_Type_Node,
-                                    Build_Index_Type (Tree (Size)));
-      Var := Build_Decl (VAR_DECL, NULL_TREE, Var_Type);
-      Set_TREE_STATIC (Var, C_False);
-      Set_DECL_EXTERNAL (Var, C_False);
-      Set_TREE_PUBLIC (Var, C_False);
-      Pushdecl (Var);
-      Expand_Decl (Var);
-      Res := Build1 (ADDR_EXPR, Tree (Rtype), Var);
-      return O_Enode (Res);
-
-      -- Old code that use alloca.  This is not space efficient, since the
-      -- storage will be freed only at the exit of the function.
-      --Arg := Build1 (CONVERT_EXPR, Sizetype, Tree (Size));
-      --Res := Build (CALL_EXPR, Ptr_Type_Node, Alloca_Function_Ptr,
-      --              Tree_Cons (NULL_TREE, Arg, NULL_TREE));
-      --return O_Enode (Build1 (NOP_EXPR, Tree (Rtype), Res));
-   end New_Alloca;
-
-   ---------------------
-   --  Declarations.  --
-   ---------------------
-
-   type String_Acc is access String;
-   Current_Filename : String_Acc := null;
-
-   procedure New_Debug_Filename_Decl (Filename : String)
-   is
-      Len : Natural;
-   begin
-      Len := Filename'Length;
-      if Current_Filename = null
-        or else Current_Filename.all'Length /= Len + 1
-        or else Current_Filename (1 .. Len) /= Filename
-      then
-         Current_Filename := new String (1 .. Len + 1);
-         Current_Filename (1 .. Len) := Filename;
-         Current_Filename (Len + 1) := Nul;
-         Input_Location.File := Current_Filename (1)'Address;
-      end if;
-   end New_Debug_Filename_Decl;
-
-   procedure New_Debug_Line_Decl (Line : Natural)
-   is
-   begin
-      Input_Location.Line := Line;
-   end New_Debug_Line_Decl;
-
-   procedure New_Debug_Comment_Decl (Comment : String)
-   is
-      pragma Unreferenced (Comment);
-   begin
-      null;
-   end New_Debug_Comment_Decl;
-
-   procedure New_Type_Decl (Ident : O_Ident; Atype : O_Tnode)
-   is
-      Decl : Tree;
-      Ttype : Tree := Tree (Atype);
-   begin
---       if Atype.Decl /= null then
---          raise Type_Error;
---       end if;
-      Set_TYPE_NAME (Ttype, Ident);
-      Decl := Build_Decl (TYPE_DECL, Ident, Ttype);
-      Set_TYPE_STUB_DECL (Ttype, Decl);
-      Pushdecl (Decl);
-      if Get_TYPE_SIZE (Ttype) /= NULL_TREE then
-         --  Do not generate debug info for uncompleted types.
-         Rest_Of_Type_Compilation (Ttype, C_True);
-      end if;
-   end New_Type_Decl;
-
-   procedure Set_Storage (Node : Tree; Storage : O_Storage)
-   is
-   begin
-      case Storage is
-         when O_Storage_External =>
-            Set_DECL_EXTERNAL (Node, C_True);
-            Set_TREE_PUBLIC (Node, C_True);
-            Set_TREE_STATIC (Node, C_False);
-         when O_Storage_Public =>
-            Set_DECL_EXTERNAL (Node, C_False);
-            Set_TREE_PUBLIC (Node, C_True);
-            Set_TREE_STATIC (Node, C_True);
-         when O_Storage_Private =>
-            Set_DECL_EXTERNAL (Node, C_False);
-            Set_TREE_PUBLIC (Node, C_False);
-            Set_TREE_STATIC (Node, C_True);
-         when O_Storage_Local =>
-            Set_DECL_EXTERNAL (Node, C_False);
-            Set_TREE_PUBLIC (Node, C_False);
-            Set_TREE_STATIC (Node, C_False);
-      end case;
-   end Set_Storage;
-
-   procedure New_Const_Decl
-     (Res : out O_Dnode;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Atype : O_Tnode)
-   is
-      Cst : Tree;
-   begin
-      Cst := Build_Decl (VAR_DECL, Ident, Tree (Atype));
-      Set_Storage (Cst, Storage);
-      Set_TREE_READONLY (Cst, C_True);
-      Pushdecl (Cst);
-      case Storage is
-         when O_Storage_Local =>
-            raise Syntax_Error;
-         when O_Storage_External =>
-            --  We are at top level if Current_Function_Decl is null.
-            Rest_Of_Decl_Compilation
-              (Cst, NULL_Chars,
-               Boolean'Pos (Current_Function_Decl = NULL_TREE), C_False);
-         when O_Storage_Public
-           | O_Storage_Private =>
-            null;
-      end case;
-      Res := O_Dnode (Cst);
-   end New_Const_Decl;
-
-   procedure Start_Const_Value (Const : in out O_Dnode)
-   is
-      pragma Unreferenced (Const);
-   begin
-      null;
-   end Start_Const_Value;
-
-   procedure Finish_Const_Value (Const : in out O_Dnode; Val : O_Cnode)
-   is
-   begin
-      Set_DECL_INITIAL (Tree (Const), Tree (Val));
-      Set_TREE_CONSTANT (Val, C_True);
-      Rest_Of_Decl_Compilation
-        (Tree (Const), NULL_Chars,
-         Boolean'Pos (Current_Function_Decl = NULL_TREE), C_False);
-   end Finish_Const_Value;
-
-   procedure New_Var_Decl
-     (Res : out O_Dnode;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Atype : O_Tnode)
-   is
-      Var : Tree;
-   begin
-      Var := Build_Decl (VAR_DECL, Ident, Tree (Atype));
-      if Current_Function_Decl /= NULL_TREE  then
-         --  Local variable.
-         Set_TREE_STATIC (Var, C_False);
-         Set_DECL_EXTERNAL (Var, C_False);
-         Set_TREE_PUBLIC (Var, C_False);
-      else
-         Set_Storage (Var, Storage);
-      end if;
-      Pushdecl (Var);
-      if Current_Function_Decl /= NULL_TREE  then
-         Expand_Decl (Var);
-      else
-         Rest_Of_Decl_Compilation (Var, NULL_Chars, C_True, C_False);
-      end if;
-      Res := O_Dnode (Var);
-   end New_Var_Decl;
-
-   procedure Start_Function_Decl
-     (Interfaces : out O_Inter_List;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Rtype : O_Tnode)
-   is
-   begin
-      Interfaces.Ident := Ident;
-      Interfaces.Storage := Storage;
-      Interfaces.Rtype := Rtype;
-      Chain_Init (Interfaces.Param_Chain);
-      List_Init (Interfaces.Param_List);
-   end Start_Function_Decl;
-
-   procedure Start_Procedure_Decl
-     (Interfaces : out O_Inter_List; Ident : O_Ident; Storage : O_Storage) is
-   begin
-      Start_Function_Decl (Interfaces, Ident, Storage,
-                           O_Tnode (Void_Type_Node));
-   end Start_Procedure_Decl;
-
-   procedure New_Interface_Decl
-     (Interfaces : in out O_Inter_List;
-      Res : out O_Dnode;
-      Ident : O_Ident;
-      Atype : O_Tnode)
-   is
-      R : Tree;
-   begin
-      R := Build_Decl (PARM_DECL, Ident, Tree (Atype));
-      --Set_DECL_CONTEXT (Res, Xxx);
-
-      --  Do type conversion: convert boolean and enums to int
-      if +PROMOTE_PROTOTYPES then
-         case Get_TREE_CODE (Tree (Atype)) is
-            when ENUMERAL_TYPE
-              | BOOLEAN_TYPE =>
-               Set_DECL_ARG_TYPE (R, Integer_Type_Node);
-            when others =>
-               Set_DECL_ARG_TYPE (R, Tree (Atype));
-         end case;
-      else
-         Set_DECL_ARG_TYPE (R, Tree (Atype));
-      end if;
-
-      Chain_Append (Interfaces.Param_Chain, R);
-      List_Append (Interfaces.Param_List, Tree (Atype));
-      Res := O_Dnode (R);
-   end New_Interface_Decl;
-
-   --  Current function nest level, or the number of parents.
-   Function_Nest_Level : Natural := 0;
-
-   procedure Finish_Subprogram_Decl
-     (Interfaces : in out O_Inter_List; Res : out O_Dnode)
-   is
-      Decl : Tree;
-      Result : Tree;
-      Parm : Tree;
-      Is_Global : Boolean;
-   begin
-      Decl := Build_Decl (FUNCTION_DECL, Interfaces.Ident,
-                          Build_Function_Type (Tree (Interfaces.Rtype),
-                                               Interfaces.Param_List.First));
-      Is_Global := Function_Nest_Level = 0
-        or Interfaces.Storage = O_Storage_External;
-      if Is_Global then
-         Set_Storage (Decl, Interfaces.Storage);
-      else
-         --  A nested subprogram.
-         Set_DECL_EXTERNAL (Decl, C_False);
-         Set_TREE_PUBLIC (Decl, C_False);
-      end if;
-      --  The function exist in static storage.
-      Set_TREE_STATIC (Decl, C_True);
-      Set_DECL_INITIAL (Decl, Error_Mark_Node);
-      Set_TREE_ADDRESSABLE (Decl, C_True);
-
-      --  Declare the result.
-      --  FIXME: should be moved in start_function_body.
-      Result := Build_Decl (RESULT_DECL, NULL_TREE, Tree (Interfaces.Rtype));
-      Set_DECL_RESULT (Decl, Result);
-      Set_DECL_CONTEXT (Result, Decl);
-
-      Set_DECL_ARGUMENTS (Decl, Interfaces.Param_Chain.First);
-      --  Set DECL_CONTEXT of parameters.
-      Parm := Interfaces.Param_Chain.First;
-      while Parm /= NULL_TREE loop
-         Set_DECL_CONTEXT (Parm, Decl);
-         Parm := Get_TREE_CHAIN (Parm);
-      end loop;
-
-      Pushdecl (Decl);
-
-      if Is_Global then
-         Rest_Of_Decl_Compilation (Decl, NULL_Chars, C_True, C_False);
-      else
-         Expand_Decl (Decl);
-      end if;
-
-      --Make_Function_Rtl (Decl);
-
-      Res := O_Dnode (Decl);
-   end Finish_Subprogram_Decl;
-
-   procedure Start_Subprogram_Body (Func : O_Dnode)
-   is
-   begin
-      if Function_Nest_Level /= 0 then
-         --  For a nested subprogram:
-         Push_Function_Context;
-         --start_function (c-decl.c)
-         --  announce_function
-         --  current_function_decl = pushdecl (x)
-         --  ??
-         --XXX
-         --finish_function(1) (c-decl.c)
-         --  poplevel
-         --pop_function_context
-         --add_decl_stmt
-      end if;
-      Function_Nest_Level := Function_Nest_Level + 1;
-
-      Current_Function_Decl := Tree (Func);
-      Announce_Function (Tree (Func));
-
-      --  Create a binding for the parameters.
-      Pushlevel (C_False);
-      --  FIXME: should push parameters.
-      --Make_Function_Rtl (Current_Function_Decl);
-      Init_Function_Start (Func, NULL_Chars, 0);
-      Expand_Function_Start (Func, C_False);
-      --  Create a binding for the function.
-      --  This is necessary for compatibility.
-      Pushlevel (C_False);
-      Expand_Start_Bindings (0);
-   end Start_Subprogram_Body;
-
-   procedure Finish_Subprogram_Body
-   is
-   begin
-      Expand_End_Bindings (Getdecls, C_True, C_False);
-      Poplevel (C_True, C_False, C_False);
-      Expand_Function_End (NULL_Chars, 0, C_False);
-      Poplevel (C_True, C_False, C_True);
-      --  The subprogram is not external anymore (extern inline is not
-      --  supported).  As a result, code will be generated.
-      Set_DECL_EXTERNAL (Current_Function_Decl, C_False);
-
-      --  FIXME: protect against ggc.  See c-decl.c:c_expand_body
-      Rest_Of_Compilation (Current_Function_Decl);
-      Function_Nest_Level := Function_Nest_Level - 1;
-      if Function_Nest_Level > 0 then
-         Pop_Function_Context;
-      else
-         Current_Function_Decl := NULL_TREE;
-      end if;
-   end Finish_Subprogram_Body;
-
-   -------------------
-   --  Statements.  --
-   -------------------
-
-   procedure New_Debug_Line_Stmt (Line : Natural) is
-   begin
-      Input_Location.Line := Line;
-      Emit_Line_Note (Input_Location);
-   end New_Debug_Line_Stmt;
-
-   procedure New_Debug_Comment_Stmt (Comment : String)
-   is
-      pragma Unreferenced (Comment);
-   begin
-      null;
-   end New_Debug_Comment_Stmt;
-
-   procedure Start_Declare_Stmt
-   is
-   begin
-      Pushlevel (C_False);
-      Expand_Start_Bindings (0);
-   end Start_Declare_Stmt;
-
-   procedure Finish_Declare_Stmt
-   is
-   begin
-      Expand_End_Bindings (Getdecls, C_True, C_True);
-      Poplevel (C_True, C_False, C_False);
-   end Finish_Declare_Stmt;
-
-   procedure Start_Association (Assocs : out O_Assoc_List; Subprg : O_Dnode)
-   is
-   begin
-      Assocs.Subprg := Tree (Subprg);
-      List_Init (Assocs.List);
-   end Start_Association;
-
---    function Get_Base_Type (Atype : O_Tnode) return O_Tnode
---    is
---    begin
---       case Atype.Kind is
---          when ON_Array_Sub_Type =>
---             return Atype.Base_Type;
---          when others =>
---             return Atype;
---       end case;
---    end Get_Base_Type;
-
-   procedure New_Association (Assocs : in out O_Assoc_List; Val : O_Enode)
-   is
-   begin
-      List_Append (Assocs.List, Tree (Val));
-   end New_Association;
-
-   --  Return a pointer to function FUNC.
-   function Build_Function_Ptr (Func : Tree) return Tree is
-   begin
-      return Build1 (ADDR_EXPR,
-                     Build_Pointer_Type (Get_TREE_TYPE (Func)), Func);
-   end Build_Function_Ptr;
-
-   function New_Function_Call (Assocs : O_Assoc_List) return O_Enode
-   is
-   begin
-      return O_Enode (Build (CALL_EXPR,
-                             Get_TREE_TYPE (Get_TREE_TYPE (Assocs.Subprg)),
-                             Build_Function_Ptr (Assocs.Subprg),
-                             Assocs.List.First, NULL_TREE));
-   end New_Function_Call;
-
-   procedure New_Procedure_Call (Assocs : in out O_Assoc_List)
-   is
-      Res : Tree;
-   begin
-      Res := Build (CALL_EXPR,
-                    Get_TREE_TYPE (Get_TREE_TYPE (Assocs.Subprg)),
-                    Build_Function_Ptr (Assocs.Subprg),
-                    Assocs.List.First, NULL_TREE);
-      Set_TREE_SIDE_EFFECTS (Res, C_True);
-      Expand_Expr_Stmt (Res);
-   end New_Procedure_Call;
-
-
-   procedure New_Assign_Stmt (Target : O_Lnode; Value : O_Enode)
-   is
-      N : Tree;
-   begin
-      N := Build (MODIFY_EXPR, Get_TREE_TYPE (Tree (Target)),
-                  Tree (Target), Tree (Value));
-      Set_TREE_SIDE_EFFECTS (N, C_True);
-      Expand_Expr_Stmt (N);
-   end New_Assign_Stmt;
-
-   procedure New_Return_Stmt (Value : O_Enode)
-   is
-      Assign : Tree;
-   begin
-      Assign := Build (MODIFY_EXPR, Get_TREE_TYPE (Tree (Value)),
-                       Get_DECL_RESULT (Current_Function_Decl),
-                       Tree (Value));
-      Set_TREE_SIDE_EFFECTS (Assign, C_True);
-      --Set_TREE_USED (Assign, True);
-      Expand_Expr_Stmt (Assign);
-      Expand_Return (Value);
-   end New_Return_Stmt;
-
-   procedure New_Return_Stmt
-   is
-   begin
-      Expand_Null_Return;
-   end New_Return_Stmt;
-
-   procedure Start_If_Stmt (Block : in out O_If_Block; Cond : O_Enode)
-   is
-      pragma Unreferenced (Block);
-   begin
-      Expand_Start_Cond (Cond, C_False);
-   end Start_If_Stmt;
-
-   procedure New_Elsif_Stmt (Block : in out O_If_Block; Cond : O_Enode)
-   is
-      pragma Unreferenced (Block);
-   begin
-      Expand_Start_Elseif (Cond);
-   end New_Elsif_Stmt;
-
-   procedure New_Else_Stmt (Block : in out O_If_Block)
-   is
-      pragma Unreferenced (Block);
-   begin
-      Expand_Start_Else;
-   end New_Else_Stmt;
-
-   procedure Finish_If_Stmt (Block : in out O_If_Block)
-   is
-      pragma Unreferenced (Block);
-   begin
-      Expand_End_Cond;
-   end Finish_If_Stmt;
-
-   procedure Start_Loop_Stmt (Label : out O_Snode)
-   is
-   begin
-      Label := Expand_Start_Loop (C_True);
-      --  This is required to avoid crash with goto fixup.
-      Expand_Start_Bindings (0);
-   end Start_Loop_Stmt;
-
-   procedure Finish_Loop_Stmt (Label : in out O_Snode)
-   is
-      pragma Unreferenced (Label);
-   begin
-      Expand_End_Bindings (NULL_TREE, C_False, C_False);
-      Expand_End_Loop;
-   end Finish_Loop_Stmt;
-
-   procedure New_Exit_Stmt (L : O_Snode) is
-   begin
-      Expand_Exit_Loop (L);
-   end New_Exit_Stmt;
-
-   procedure New_Next_Stmt (L : O_Snode) is
-   begin
-      Expand_Continue_Loop (L);
-   end New_Next_Stmt;
-
-   procedure Start_Case_Stmt (Block : in out O_Case_Block; Value : O_Enode)
-   is
-   begin
-      Expand_Start_Case (C_True, Value, Get_TREE_TYPE (Value), NULL_Chars);
-      Block := O_Case_Block'(Expr => Tree (Value),
-                           First => True, Label => NULL_TREE);
-   end Start_Case_Stmt;
-
-   procedure Start_Choice (Block : in out O_Case_Block)
-   is
-   begin
-      if Block.First then
-         Block.First := False;
-      else
-         --  Add a "break" statement.
-         if Expand_Exit_Something = 0 then
-            raise Type_Error;
-         end if;
-      end if;
-      if Block.Label /= NULL_TREE then
-         raise Syntax_Error;
-      end if;
-      Block.Label := Build_Decl (LABEL_DECL, NULL_TREE, NULL_TREE);
-      --Pushdecl (Choices.Label);
-   end Start_Choice;
-
-   procedure New_Expr_Choice (Block : in out O_Case_Block; Expr : O_Cnode)
-   is
-      Duplicate : Tree;
-   begin
-      if Pushcase (Tree (Expr), Agcc.Trees.Convert'Address,
-                   Block.Label, Duplicate'Address) /= 0 then
-         raise Syntax_Error;
-      end if;
-   end New_Expr_Choice;
-
-   procedure New_Range_Choice (Block : in out O_Case_Block;
-                               Low, High : O_Cnode)
-   is
-      Duplicate : Tree;
-   begin
-      if Pushcase_Range (Tree (Low), Tree (High), Agcc.Trees.Convert'Address,
-                         Tree (Block.Label), Duplicate'Address) /= 0
-      then
-         raise Syntax_Error;
-      end if;
-   end New_Range_Choice;
-
-   procedure New_Default_Choice (Block : in out O_Case_Block)
-   is
-      Duplicate : Tree;
-   begin
-      if Pushcase (NULL_TREE, System.Null_Address,
-                   Block.Label, Duplicate'Address) /= 0
-      then
-         raise Syntax_Error;
-      end if;
-   end New_Default_Choice;
-
-   procedure Finish_Choice (Block : in out O_Case_Block)
-   is
-   begin
-      Block.Label := NULL_TREE;
-   end Finish_Choice;
-
-   procedure Finish_Case_Stmt (Block: in out O_Case_Block) is
-   begin
-      Expand_End_Case_Type (Block.Expr, NULL_TREE);
-   end Finish_Case_Stmt;
-end Ortho_Gcc;
diff --git a/ortho/gcc34/ortho_gcc.ads b/ortho/gcc34/ortho_gcc.ads
deleted file mode 100644
index e7c3679..0000000
--- a/ortho/gcc34/ortho_gcc.ads
+++ /dev/null
@@ -1,557 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Interfaces; use Interfaces;
-with Ortho_Ident;
-use Ortho_Ident;
-with Agcc.Trees; use Agcc.Trees;
-
-
---  Interface to create nodes.
-package Ortho_Gcc is
-   --- PUBLIC DECLARATIONS
-   --  PUBLIC PART is defined in ortho_nodes.common.ads
-   type O_Cnode is private;
-   type O_Dnode is private;
-   type O_Enode is private;
-   type O_Fnode is private;
-   type O_Lnode is private;
-   type O_Tnode is private;
-   type O_Snode is private;
-
-   --  Alloca builtin, to be set during initialization.
-   Alloca_Function_Ptr : Tree;
-
-   --  Must be called during initialization, before use of any subprograms.
-   procedure Init;
-
-   O_Cnode_Null : constant O_Cnode;
-   O_Dnode_Null : constant O_Dnode;
-   O_Enode_Null : constant O_Enode;
-   O_Fnode_Null : constant O_Fnode;
-   O_Lnode_Null : constant O_Lnode;
-   O_Snode_Null : constant O_Snode;
-   O_Tnode_Null : constant O_Tnode;
-
-
-   ------------------------
-   --  Type definitions  --
-   ------------------------
-
-   type Bitsize_Type is range 0 .. 1024;
-
-   --  Standard types metrics.  0 means unknown.
-   Metric_Char        : Bitsize_Type := 0;
-   Metric_Short       : Bitsize_Type := 0;
-   Metric_Int         : Bitsize_Type := 0;
-   Metric_Long        : Bitsize_Type := 0;
-   Metric_Long_Long   : Bitsize_Type := 0;
-   Metric_Enum        : Bitsize_Type := 0;
-   Metric_Float       : Bitsize_Type := 0;
-   Metric_Double      : Bitsize_Type := 0;
-   Metric_Long_Double : Bitsize_Type := 0;
-
-   type O_Element_List is limited private;
-
-   --  Build a record type.
-   procedure Start_Record_Type (Elements : out O_Element_List);
-   --  Add a field in the record; not constrained array are prohibited, since
-   --  its size is unlimited.
-   procedure New_Record_Field
-     (Elements : in out O_Element_List;
-      El : out O_Fnode;
-      Ident : O_Ident; Etype : O_Tnode);
-   --  Finish the record type.
-   procedure Finish_Record_Type
-     (Elements : in out O_Element_List; Res : out O_Tnode);
-
-   -- Build an uncomplete record type:
-   -- First call NEW_UNCOMPLETE_RECORD_TYPE, which returns a record type.
-   -- This type can be declared or used to define access types on it.
-   -- Then, complete (if necessary) the record type, by calling
-   -- START_UNCOMPLETE_RECORD_TYPE, NEW_RECORD_FIELD and FINISH_RECORD_TYPE.
-   procedure New_Uncomplete_Record_Type (Res : out O_Tnode);
-   procedure Start_Uncomplete_Record_Type (Res : O_Tnode;
-                                           Elements : out O_Element_List);
-
-   --  Build an union type.
-   procedure Start_Union_Type (Elements : out O_Element_List);
-   procedure New_Union_Field
-     (Elements : in out O_Element_List;
-      El : out O_Fnode;
-      Ident : O_Ident;
-      Etype : O_Tnode);
-   procedure Finish_Union_Type
-     (Elements : in out O_Element_List; Res : out O_Tnode);
-
-   --  Build an access type.
-   --  DTYPE may be O_tnode_null in order to build an incomplete access type.
-   --  It is completed with finish_access_type.
-   function New_Access_Type (Dtype : O_Tnode) return O_Tnode;
-   procedure Finish_Access_Type (Atype : O_Tnode; Dtype : O_Tnode);
-
-   --  Build an array type.
-   --  The array is not constrained and unidimensional.
-   function New_Array_Type (El_Type : O_Tnode; Index_Type : O_Tnode)
-     return O_Tnode;
-
-   --  Build a constrained array type.
-   function New_Constrained_Array_Type (Atype : O_Tnode; Length : O_Cnode)
-     return O_Tnode;
-
-   --  Build a scalar type; size may be 8, 16, 32 or 64.
-   function New_Unsigned_Type (Size : Natural) return O_Tnode;
-   function New_Signed_Type (Size : Natural) return O_Tnode;
-
-   --  Build a float type.
-   function New_Float_Type return O_Tnode;
-
-   --  Build a boolean type.
-   procedure New_Boolean_Type (Res : out O_Tnode;
-                               False_Id : O_Ident;
-                               False_E : out O_Cnode;
-                               True_Id : O_Ident;
-                               True_E : out O_Cnode);
-
-   --  Create an enumeration
-   type O_Enum_List is limited private;
-
-   --  Elements are declared in order, the first is ordered from 0.
-   procedure Start_Enum_Type (List : out O_Enum_List; Size : Natural);
-   procedure New_Enum_Literal (List : in out O_Enum_List;
-                               Ident : O_Ident; Res : out O_Cnode);
-   procedure Finish_Enum_Type (List : in out O_Enum_List; Res : out O_Tnode);
-
-   ----------------
-   --  Literals  --
-   ----------------
-
-   --  Create a literal from an integer.
-   function New_Signed_Literal (Ltype : O_Tnode; Value : Integer_64)
-     return O_Cnode;
-   function New_Unsigned_Literal (Ltype : O_Tnode; Value : Unsigned_64)
-     return O_Cnode;
-
-   function New_Float_Literal (Ltype : O_Tnode; Value : IEEE_Float_64)
-     return O_Cnode;
-
-   --  Create a null access literal.
-   function New_Null_Access (Ltype : O_Tnode) return O_Cnode;
-
-   --  Build a record/array aggregate.
-   --  The aggregate is constant, and therefore can be only used to initialize
-   --  constant declaration.
-   --  ATYPE must be either a record type or an array subtype.
-   --  Elements must be added in the order, and must be literals or aggregates.
-   type O_Record_Aggr_List is limited private;
-   type O_Array_Aggr_List is limited private;
-
-   procedure Start_Record_Aggr (List : out O_Record_Aggr_List;
-                                Atype : O_Tnode);
-   procedure New_Record_Aggr_El (List : in out O_Record_Aggr_List;
-                                 Value : O_Cnode);
-   procedure Finish_Record_Aggr (List : in out O_Record_Aggr_List;
-                                 Res : out O_Cnode);
-
-   procedure Start_Array_Aggr (List : out O_Array_Aggr_List; Atype : O_Tnode);
-   procedure New_Array_Aggr_El (List : in out O_Array_Aggr_List;
-                                Value : O_Cnode);
-   procedure Finish_Array_Aggr (List : in out O_Array_Aggr_List;
-                                Res : out O_Cnode);
-
-   --  Build an union aggregate.
-   function New_Union_Aggr (Atype : O_Tnode; Field : O_Fnode; Value : O_Cnode)
-                           return O_Cnode;
-
-   --  Returns the size in bytes of ATYPE.  The result is a literal of
-   --  unsigned type RTYPE
-   --  ATYPE cannot be an unconstrained array type.
-   function New_Sizeof (Atype : O_Tnode; Rtype : O_Tnode) return O_Cnode;
-
-   --  Returns the offset of FIELD in its record.  The result is a literal
-   --  of unsigned type RTYPE.
-   function New_Offsetof (Field : O_Fnode; Rtype : O_Tnode) return O_Cnode;
-
-   --  Get the address of a subprogram.
-   function New_Subprogram_Address (Subprg : O_Dnode; Atype : O_Tnode)
-     return O_Cnode;
-
-   --  Get the address of LVALUE.
-   --  ATYPE must be a type access whose designated type is the type of LVALUE.
-   --  FIXME: what about arrays.
-   function New_Global_Address (Decl : O_Dnode; Atype : O_Tnode)
-                               return O_Cnode;
-
-   --  Same as New_Address but without any restriction.
-   function New_Global_Unchecked_Address (Decl : O_Dnode; Atype : O_Tnode)
-     return O_Cnode;
-
-   -------------------
-   --  Expressions  --
-   -------------------
-
-   type ON_Op_Kind is
-     (
-      --  Not an operation; invalid.
-      ON_Nil,
-
-      --  Dyadic operations.
-      ON_Add_Ov,                --  ON_Dyadic_Op_Kind
-      ON_Sub_Ov,                --  ON_Dyadic_Op_Kind
-      ON_Mul_Ov,                --  ON_Dyadic_Op_Kind
-      ON_Div_Ov,                --  ON_Dyadic_Op_Kind
-      ON_Rem_Ov,                --  ON_Dyadic_Op_Kind
-      ON_Mod_Ov,                --  ON_Dyadic_Op_Kind
-
-      --  Binary operations.
-      ON_And,                   --  ON_Dyadic_Op_Kind
-      ON_Or,                    --  ON_Dyadic_Op_Kind
-      ON_Xor,                   --  ON_Dyadic_Op_Kind
-      ON_And_Then,              --  ON_Dyadic_Op_Kind
-      ON_Or_Else,               --  ON_Dyadic_Op_Kind
-
-      --  Monadic operations.
-      ON_Not,                   --  ON_Monadic_Op_Kind
-      ON_Neg_Ov,                --  ON_Monadic_Op_Kind
-      ON_Abs_Ov,                --  ON_Monadic_Op_Kind
-
-      --  Comparaisons
-      ON_Eq,                    --  ON_Compare_Op_Kind
-      ON_Neq,                   --  ON_Compare_Op_Kind
-      ON_Le,                    --  ON_Compare_Op_Kind
-      ON_Lt,                    --  ON_Compare_Op_Kind
-      ON_Ge,                    --  ON_Compare_Op_Kind
-      ON_Gt                     --  ON_Compare_Op_Kind
-      );
-
-   subtype ON_Dyadic_Op_Kind is ON_Op_Kind range ON_Add_Ov .. ON_Or_Else;
-   subtype ON_Monadic_Op_Kind is ON_Op_Kind range ON_Not .. ON_Abs_Ov;
-   subtype ON_Compare_Op_Kind is ON_Op_Kind range ON_Eq .. ON_Gt;
-
-   type O_Storage is (O_Storage_External,
-                      O_Storage_Public,
-                      O_Storage_Private,
-                      O_Storage_Local);
-   --  Specifies the storage kind of a declaration.
-   --  O_STORAGE_EXTERNAL:
-   --    The declaration do not either reserve memory nor generate code, and
-   --    is imported either from an other file or from a later place in the
-   --    current file.
-   --  O_STORAGE_PUBLIC, O_STORAGE_PRIVATE:
-   --    The declaration reserves memory or generates code.
-   --    With O_STORAGE_PUBLIC, the declaration is exported outside of the
-   --    file while with O_STORAGE_PRIVATE, the declaration is local to the
-   --    file.
-
-   Type_Error : exception;
-   Syntax_Error : exception;
-
-   --  Create a value from a literal.
-   function New_Lit (Lit : O_Cnode) return O_Enode;
-
-   --  Create a dyadic operation.
-   --  Left and right nodes must have the same type.
-   --  Binary operation is allowed only on boolean types.
-   --  The result is of the type of the operands.
-   function New_Dyadic_Op (Kind : ON_Dyadic_Op_Kind; Left, Right : O_Enode)
-     return O_Enode;
-
-   --  Create a monadic operation.
-   --  Result is of the type of operand.
-   function New_Monadic_Op (Kind : ON_Monadic_Op_Kind; Operand : O_Enode)
-     return O_Enode;
-
-   --  Create a comparaison operator.
-   --  NTYPE is the type of the result and must be a boolean type.
-   function New_Compare_Op
-     (Kind : ON_Compare_Op_Kind; Left, Right : O_Enode; Ntype : O_Tnode)
-     return O_Enode;
-
-
-   type O_Inter_List is limited private;
-   type O_Assoc_List is limited private;
-   type O_If_Block is limited private;
-   type O_Case_Block is limited private;
-
-
-   --  Get an element of an array.
-   --  INDEX must be of the type of the array index.
-   function New_Indexed_Element (Arr : O_Lnode; Index : O_Enode)
-     return O_Lnode;
-
-   --  Get a slice of an array; this is equivalent to a conversion between
-   --  an array or an array subtype and an array subtype.
-   --  RES_TYPE must be an array_sub_type whose base type is the same as the
-   --  base type of ARR.
-   --  INDEX must be of the type of the array index.
-   function New_Slice (Arr : O_Lnode; Res_Type : O_Tnode; Index : O_Enode)
-     return O_Lnode;
-
-   --  Get an element of a record.
-   --  Type of REC must be a record type.
-   function New_Selected_Element (Rec : O_Lnode; El : O_Fnode)
-     return O_Lnode;
-
-   --  Reference an access.
-   --  Type of ACC must be an access type.
-   function New_Access_Element (Acc : O_Enode) return O_Lnode;
-
-   --  Do a conversion.
-   --  Allowed conversions are:
-   --  FIXME: to write.
-   function New_Convert_Ov (Val : O_Enode; Rtype : O_Tnode) return O_Enode;
-
-   --  Get the address of LVALUE.
-   --  ATYPE must be a type access whose designated type is the type of LVALUE.
-   --  FIXME: what about arrays.
-   function New_Address (Lvalue : O_Lnode; Atype : O_Tnode) return O_Enode;
-
-   --  Same as New_Address but without any restriction.
-   function New_Unchecked_Address (Lvalue : O_Lnode; Atype : O_Tnode)
-     return O_Enode;
-
-   --  Get the value of an Lvalue.
-   function New_Value (Lvalue : O_Lnode) return O_Enode;
-   function New_Obj_Value (Obj : O_Dnode) return O_Enode;
-
-   --  Get an lvalue from a declaration.
-   function New_Obj (Obj : O_Dnode) return O_Lnode;
-
-   --  Return a pointer of type RTPE to SIZE bytes allocated on the stack.
-   function New_Alloca (Rtype : O_Tnode; Size : O_Enode) return O_Enode;
-
-   --  Declare a type.
-   --  This simply gives a name to a type.
-   procedure New_Type_Decl (Ident : O_Ident; Atype : O_Tnode);
-
-   ---------------------
-   --  Declarations.  --
-   ---------------------
-
-   --  Filename of the next declaration.
-   procedure New_Debug_Filename_Decl (Filename : String);
-
-   --  Line number of the next declaration.
-   procedure New_Debug_Line_Decl (Line : Natural);
-
-   --  Add a comment in the declarative region.
-   procedure New_Debug_Comment_Decl (Comment : String);
-
-   --  Declare a constant.
-   --  This simply gives a name to a constant value or aggregate.
-   --  A constant cannot be modified and its storage cannot be local.
-   --  ATYPE must be constrained.
-   procedure New_Const_Decl
-     (Res : out O_Dnode;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Atype : O_Tnode);
-
-   --  Set the value of a non-external constant.
-   procedure Start_Const_Value (Const : in out O_Dnode);
-   procedure Finish_Const_Value (Const : in out O_Dnode; Val : O_Cnode);
-
-   --  Create a variable declaration.
-   --  A variable can be local only inside a function.
-   --  ATYPE must be constrained.
-   procedure New_Var_Decl
-     (Res : out O_Dnode;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Atype : O_Tnode);
-
-   --  Start a subprogram declaration.
-   --  Note: nested subprograms are allowed, ie o_storage_local subprograms can
-   --   be declared inside a subprograms.  It is not allowed to declare
-   --   o_storage_external subprograms inside a subprograms.
-   --  Return type and interfaces cannot be a composite type.
-   procedure Start_Function_Decl
-     (Interfaces : out O_Inter_List;
-      Ident : O_Ident;
-      Storage : O_Storage;
-      Rtype : O_Tnode);
-   --  For a subprogram without return value.
-   procedure Start_Procedure_Decl
-     (Interfaces : out O_Inter_List;
-      Ident : O_Ident;
-      Storage : O_Storage);
-
-   --  Add an interface declaration to INTERFACES.
-   procedure New_Interface_Decl
-     (Interfaces : in out O_Inter_List;
-      Res : out O_Dnode;
-      Ident : O_Ident;
-      Atype : O_Tnode);
-   --  Finish the function declaration, get the node and a statement list.
-   procedure Finish_Subprogram_Decl
-     (Interfaces : in out O_Inter_List; Res : out O_Dnode);
-   --  Start a subprogram body.
-   --  Note: the declaration may have an external storage, in this case it
-   --  becomes public.
-   procedure Start_Subprogram_Body (Func : O_Dnode);
-   --  Finish a subprogram body.
-   procedure Finish_Subprogram_Body;
-
-
-   -------------------
-   --  Statements.  --
-   -------------------
-
-   --  Add a line number as a statement.
-   procedure New_Debug_Line_Stmt (Line : Natural);
-
-   --  Add a comment as a statement.
-   procedure New_Debug_Comment_Stmt (Comment : String);
-
-   --  Start a declarative region.
-   procedure Start_Declare_Stmt;
-   procedure Finish_Declare_Stmt;
-
-   --  Create a function call or a procedure call.
-   procedure Start_Association (Assocs : out O_Assoc_List; Subprg : O_Dnode);
-   procedure New_Association (Assocs : in out O_Assoc_List; Val : O_Enode);
-   function New_Function_Call (Assocs : O_Assoc_List) return O_Enode;
-   procedure New_Procedure_Call (Assocs : in out O_Assoc_List);
-
-   --  Assign VALUE to TARGET, type must be the same or compatible.
-   --  FIXME: what about slice assignment?
-   procedure New_Assign_Stmt (Target : O_Lnode; Value : O_Enode);
-
-   --  Exit from the subprogram and return VALUE.
-   procedure New_Return_Stmt (Value : O_Enode);
-   --  Exit from the subprogram, which doesn't return value.
-   procedure New_Return_Stmt;
-
-   --  Build an IF statement.
-   procedure Start_If_Stmt (Block : in out O_If_Block; Cond : O_Enode);
-   --  COND is NULL for the final else statement.
-   procedure New_Elsif_Stmt (Block : in out O_If_Block; Cond : O_Enode);
-   procedure New_Else_Stmt (Block : in out O_If_Block);
-   procedure Finish_If_Stmt (Block : in out O_If_Block);
-
-   --  Create a infinite loop statement.
-   procedure Start_Loop_Stmt (Label : out O_Snode);
-   procedure Finish_Loop_Stmt (Label : in out O_Snode);
-
-   --  Exit from a loop stmt or from a for stmt.
-   procedure New_Exit_Stmt (L : O_Snode);
-   --  Go to the start of a loop stmt or of a for stmt.
-   --  Loops/Fors between L and the current points are exited.
-   procedure New_Next_Stmt (L : O_Snode);
-
-   --  Case statement.
-   --  VALUE is the selector and must be a discrete type.
-   procedure Start_Case_Stmt (Block : in out O_Case_Block; Value : O_Enode);
-   --  A choice branch is composed of expr, range or default choices.
-   --  A choice branch is enclosed between a Start_Choice and a Finish_Choice.
-   --  The statements are after the finish_choice.
-   procedure Start_Choice (Block : in out O_Case_Block);
-   procedure New_Expr_Choice (Block : in out O_Case_Block; Expr : O_Cnode);
-   procedure New_Range_Choice (Block : in out O_Case_Block;
-                               Low, High : O_Cnode);
-   procedure New_Default_Choice (Block : in out O_Case_Block);
-   procedure Finish_Choice (Block : in out O_Case_Block);
-   procedure Finish_Case_Stmt (Block : in out O_Case_Block);
-
-private
-   type O_Cnode is new Tree;
-   type O_Dnode is new Tree;
-   type O_Enode is new Tree;
-   type O_Fnode is new Tree;
-   type O_Lnode is new Tree;
-   type O_Tnode is new Tree;
-   type O_Snode is new Nesting;
-
-   O_Cnode_Null : constant O_Cnode := O_Cnode (NULL_TREE);
-   O_Dnode_Null : constant O_Dnode := O_Dnode (NULL_TREE);
-   O_Enode_Null : constant O_Enode := O_Enode (NULL_TREE);
-   O_Fnode_Null : constant O_Fnode := O_Fnode (NULL_TREE);
-   O_Lnode_Null : constant O_Lnode := O_Lnode (NULL_TREE);
-   O_Tnode_Null : constant O_Tnode := O_Tnode (NULL_TREE);
-   O_Snode_Null : constant O_Snode := O_Snode (Nesting_Null);
-
-
-   --  Efficiently append element EL to a chain.
-   --  FIRST is the first element of the chain (must NULL_TREE if the chain
-   --   is empty),
-   --  LAST is the last element of the chain (idem).
-   type Chain_Constr_Type is record
-      First : Tree;
-      Last : Tree;
-   end record;
-   procedure Chain_Init (Constr : out Chain_Constr_Type);
-   procedure Chain_Append (Constr : in out Chain_Constr_Type; El : Tree);
-
-   --  Efficiently append element EL to a list.
-   type List_Constr_Type is record
-      First : Tree;
-      Last : Tree;
-   end record;
-   procedure List_Init (Constr : out List_Constr_Type);
-   procedure List_Append (Constr : in out List_Constr_Type; El : Tree);
-
-   type O_Inter_List is record
-      Ident : O_Ident;
-      Storage : O_Storage;
-      --  Return type.
-      Rtype : O_Tnode;
-      --  List of parameter types.
-      Param_List : List_Constr_Type;
-      --  Chain of parameters declarations.
-      Param_Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Element_List is record
-      Res : Tree;
-      Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Case_Block is record
-      Expr : Tree;
-      First : Boolean;
-      Label : Tree;
-   end record;
-
-   type O_If_Block is record
-      null;
-   end record;
-
-   type O_Aggr_List is record
-      Atype : Tree;
-      Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Record_Aggr_List is new O_Aggr_List;
-   type O_Array_Aggr_List is new O_Aggr_List;
-
-   type O_Assoc_List is record
-      Subprg : Tree;
-      List : List_Constr_Type;
-   end record;
-
-   type O_Enum_List is record
-      --  The enumeral_type node.
-      Res : Tree;
-      --  Chain of literals.
-      Chain : Chain_Constr_Type;
-      --  Numeral value (from 0 to nbr - 1) of the next literal to be declared.
-      Num : Natural;
-      --  Size of the enumeration type.
-      Size : Natural;
-   end record;
-
-end Ortho_Gcc;
diff --git a/ortho/gcc34/ortho_gcc.private.ads b/ortho/gcc34/ortho_gcc.private.ads
deleted file mode 100644
index c4a0135..0000000
--- a/ortho/gcc34/ortho_gcc.private.ads
+++ /dev/null
@@ -1,122 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Ortho_Nodes is
-   --  PUBLIC PART is defined in ortho_nodes.common.ads
-   type O_Cnode is private;
-   type O_Dnode is private;
-   type O_Enode is private;
-   type O_Fnode is private;
-   type O_Lnode is private;
-   type O_Tnode is private;
-   type O_Snode is private;
-
-   --  Alloca builtin, to be set during initialization.
-   Alloca_Function_Ptr : Tree;
-
-   --  Must be called during initialization, before use of any subprograms.
-   procedure Init;
-private
-   type O_Cnode is new Tree;
-   type O_Dnode is new Tree;
-   type O_Enode is new Tree;
-   type O_Fnode is new Tree;
-   type O_Lnode is new Tree;
-   type O_Tnode is new Tree;
-   type O_Snode is new Nesting;
-
-   O_Cnode_Null : constant O_Cnode := O_Cnode (NULL_TREE);
-   O_Dnode_Null : constant O_Dnode := O_Dnode (NULL_TREE);
-   O_Enode_Null : constant O_Enode := O_Enode (NULL_TREE);
-   O_Fnode_Null : constant O_Fnode := O_Fnode (NULL_TREE);
-   O_Lnode_Null : constant O_Lnode := O_Lnode (NULL_TREE);
-   O_Tnode_Null : constant O_Tnode := O_Tnode (NULL_TREE);
-   O_Snode_Null : constant O_Snode := O_Snode (Nesting_Null);
-
-
-   --  Efficiently append element EL to a chain.
-   --  FIRST is the first element of the chain (must NULL_TREE if the chain
-   --   is empty),
-   --  LAST is the last element of the chain (idem).
-   type Chain_Constr_Type is record
-      First : Tree;
-      Last : Tree;
-   end record;
-   procedure Chain_Init (Constr : out Chain_Constr_Type);
-   procedure Chain_Append (Constr : in out Chain_Constr_Type; El : Tree);
-
-   --  Efficiently append element EL to a list.
-   type List_Constr_Type is record
-      First : Tree;
-      Last : Tree;
-   end record;
-   procedure List_Init (Constr : out List_Constr_Type);
-   procedure List_Append (Constr : in out List_Constr_Type; El : Tree);
-
-   type O_Inter_List is record
-      Ident : O_Ident;
-      Storage : O_Storage;
-      --  Return type.
-      Rtype : O_Tnode;
-      --  List of parameter types.
-      Param_List : List_Constr_Type;
-      --  Chain of parameters declarations.
-      Param_Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Element_List is record
-      Res : Tree;
-      Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Case_Block is record
-      Expr : Tree;
-      First : Boolean;
-      Label : Tree;
-   end record;
-
-   type O_If_Block is record
-      null;
-   end record;
-
-   type O_Aggr_List is record
-      Atype : Tree;
-      Chain : Chain_Constr_Type;
-   end record;
-
-   type O_Record_Aggr_List is new O_Aggr_List;
-   type O_Array_Aggr_List is new O_Aggr_List;
-
-   type O_Assoc_List is record
-      Subprg : Tree;
-      List : List_Constr_Type;
-   end record;
-
-   type O_Enum_List is record
-      --  The enumeral_type node.
-      Res : Tree;
-      --  Chain of literals.
-      Chain : Chain_Constr_Type;
-      --  Numeral value (from 0 to nbr - 1) of the next literal to be declared.
-      Num : Natural;
-      --  Size of the enumeration type.
-      Size : Natural;
-   end record;
-
-end Ortho_Nodes;
diff --git a/ortho/gcc34/ortho_gcc_front.ads b/ortho/gcc34/ortho_gcc_front.ads
deleted file mode 100644
index 0b98f45..0000000
--- a/ortho/gcc34/ortho_gcc_front.ads
+++ /dev/null
@@ -1,19 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ortho_Front;
-package Ortho_Gcc_Front renames Ortho_Front;
diff --git a/ortho/gcc34/ortho_ident.adb b/ortho/gcc34/ortho_ident.adb
deleted file mode 100644
index a3779f3..0000000
--- a/ortho/gcc34/ortho_ident.adb
+++ /dev/null
@@ -1,52 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc; use Agcc;
-with Agcc.Trees;
-with C; use C;
-
-package body Ortho_Ident is
-   function Get_Identifier (Str : String) return O_Ident
-   is
-      Str_Nul : String := Str & Nul;
-   begin
-      return Get_Identifier (Str_Nul'Address);
-   end Get_Identifier;
-
-   function Get_String (Id : O_Ident) return String
-   is
-      use Agcc.Trees;
-      Str : C_Str_Len;
-   begin
-      Str.Len := Get_IDENTIFIER_LENGTH (Id);
-      Str.Str := To_C_String (Get_IDENTIFIER_POINTER (Id));
-      return Image (Str);
-   end Get_String;
-
-   function Is_Equal (Id : O_Ident; Str : String) return Boolean
-   is
-      S : C_String;
-   begin
-      if Get_IDENTIFIER_LENGTH (Id) /= Str'Length then
-         return False;
-      end if;
-      S := To_C_String (Get_IDENTIFIER_POINTER (Id));
-      return S.all (1 .. Str'Length) = Str;
-   end Is_Equal;
-
-end Ortho_Ident;
-
diff --git a/ortho/gcc34/ortho_ident.ads b/ortho/gcc34/ortho_ident.ads
deleted file mode 100644
index 84a330e..0000000
--- a/ortho/gcc34/ortho_ident.ads
+++ /dev/null
@@ -1,30 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Agcc.Trees; use Agcc.Trees;
-
-package Ortho_Ident is
-   subtype O_Ident is Tree;
-   function Get_Identifier (Str : String) return O_Ident;
-   function Get_String (Id : O_Ident) return String;
-   function Is_Equal (L, R : O_Ident) return Boolean renames
-     Agcc.Trees."=";
-   function Is_Equal (Id : O_Ident; Str : String) return Boolean;
-   O_Ident_Nul : constant O_Ident;
-private
-   O_Ident_Nul : constant O_Ident := NULL_TREE;
-end Ortho_Ident;
diff --git a/ortho/gcc34/ortho_nodes.ads b/ortho/gcc34/ortho_nodes.ads
deleted file mode 100644
index 04d9018..0000000
--- a/ortho/gcc34/ortho_nodes.ads
+++ /dev/null
@@ -1,20 +0,0 @@
---  Ortho implementation for GCC.
---  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
---
---  GHDL 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, or (at your option) any later
---  version.
---
---  GHDL 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 GCC; see the file COPYING.  If not, write to the Free
---  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
---  02111-1307, USA.
-with Ortho_Gcc;
-
-package Ortho_Nodes renames Ortho_Gcc;