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-- Memory segments.
-- Copyright (C) 2006 Tristan Gingold
--
-- This program 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 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <gnu.org/licenses>.
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;
Offset : Natural; Size : Natural);
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;
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