modules/module.h

   1 /* Quarn OS
   2  *
   3  * Module
   4  *
   5  * Copyright (C) 2008-2009 Pawel Dziepak
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  */
  22
  23 #ifndef _MODULE_H_
  24 #define _MODULE_H_
  25
  26 #include "manes/manec.h"
  27
  28 namespace modules {
  29         class module : public manes::cds::component {
  30         public:
  31                 typedef enum {
  32                         module_kernel_space,
  33                         module_user_space,
  34                         module_network
  35                 } module_type;
  36         private:
  37                 string *mname;
  38
  39                 module_type mtype;
  40                 struct {
  41                         void *code_start;
  42                         int code_size;
  43
  44                         void *data_start;
  45                         int data_size;
  46
  47                         void *bss_start;
  48                         int bss_size;
  49                 } kernel_space;
  50
  51         protected:
  52                 void (*enter_module)(/*manes::component**/);
  53
  54         public:
  55                 virtual void load(const string &prog) = 0;
  56                 void place(module_type);
  57
  58                 void enter();
  59
  60                 delegate<void> get_delegate();
  61
  62                 static void register_type();
  63         };
  64 }
  65
  66 #endif