1 files changed, 49 insertions, 0 deletions
diff --git a/src/ortho/mcode/memsegs_mmap.ads b/src/ortho/mcode/memsegs_mmap.ads
new file mode 100644
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+++ b/src/ortho/mcode/memsegs_mmap.ads
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+--  Memory segments.
+--  Copyright (C) 2006 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; use System;
+
+package Memsegs_Mmap is
+   --  A memseg is a growable memory space.  It can be resized with Resize.
+   --  After each operation the base address can change and must be get
+   --  with Get_Address.
+   type Memseg_Type is private;
+
+   --  Create a new memseg.
+   function Create return Memseg_Type;
+
+   --  Resize the memseg.
+   procedure Resize (Seg : in out Memseg_Type; Size : Natural);
+
+   --  Get the base address.
+   function Get_Address (Seg : Memseg_Type) return Address;
+
+   --  Free all the memory and initialize the memseg.
+   procedure Delete (Seg : in out Memseg_Type);
+
+   --  Set the protection to read+execute.
+   procedure Set_Rx (Seg : in out Memseg_Type);
+
+   pragma Inline (Create);
+   pragma Inline (Get_Address);
+private
+   type Memseg_Type is record
+      Base : Address := Null_Address;
+      Size : Natural := 0;
+   end record;
+end Memsegs_Mmap;
+