include/instance.h

   1 /*
   2  * Instance data declaration
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_INSTANCE_H
  22 #define __WINE_INSTANCE_H
  23
  24 #include "windef.h"
  25
  26   /* This structure is always located at offset 0 of the DGROUP segment */
  27
  28 typedef struct
  29 {
  30     WORD null;        /* Always 0 */
  31     DWORD old_ss_sp WINE_PACKED;  /* Stack pointer; used by SwitchTaskTo() */
  32     WORD heap;        /* Pointer to the local heap information (if any) */
  33     WORD atomtable;   /* Pointer to the local atom table (if any) */
  34     WORD stacktop;    /* Top of the stack */
  35     WORD stackmin;    /* Lowest stack address used so far */
  36     WORD stackbottom; /* Bottom of the stack */
  37 } INSTANCEDATA;
  38
  39 #endif /* __WINE_INSTANCE_H */