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diff --git a/src/ortho/llvm35/ortho_llvm-jit.adb b/src/ortho/llvm35/ortho_llvm-jit.adb
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+--  LLVM back-end for ortho.
+--  Copyright (C) 2014 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 Ortho_LLVM.Jit is
+   --  procedure AddExternalFunction (Name : Cstring; Val : Address);
+   --  pragma Import (C, AddExternalFunction, "ortho_AddExternalFunction");
+
+   function GetPointerToFunction (EE : ExecutionEngineRef; Func : ValueRef)
+                                 return Address;
+   pragma Import (C, GetPointerToFunction, "LLVMGetPointerToFunction");
+
+   --  Set address of non-defined global variables or functions.
+   procedure Set_Address (Decl : O_Dnode; Addr : Address) is
+   begin
+      case Decl.Kind is
+         when ON_Var_Decl | ON_Const_Decl =>
+            AddGlobalMapping (Engine, Decl.LLVM, Addr);
+         when ON_Subprg_Decl =>
+            null;
+            --  AddExternalFunction (GetValueName (Decl.LLVM), Addr);
+         when others =>
+            raise Program_Error;
+      end case;
+   end Set_Address;
+
+   --  Get address of a global.
+   function Get_Address (Decl : O_Dnode) return Address
+   is
+   begin
+      case Decl.Kind is
+         when ON_Var_Decl | ON_Const_Decl =>
+            return GetPointerToGlobal (Engine, Decl.LLVM);
+         when ON_Subprg_Decl =>
+            return GetPointerToFunction (Engine, Decl.LLVM);
+         when others =>
+            raise Program_Error;
+      end case;
+   end Get_Address;
+
+end Ortho_LLVM.Jit;