4 * Copyright 1995 Alexandre Julliard
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.
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.
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
21 #ifndef __WINE_SELECTORS_H
22 #define __WINE_SELECTORS_H
25 #include "wine/library.h"
27 extern WORD SELECTOR_AllocBlock( const void *base, DWORD size, unsigned char flags );
28 extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size );
29 extern void SELECTOR_FreeBlock( WORD sel );
31 extern UINT W32S_offset;
33 #define W32S_APP2WINE(addr) ((addr)? (DWORD)(addr) + W32S_offset : 0)
34 #define W32S_WINE2APP(addr) ((addr)? (DWORD)(addr) - W32S_offset : 0)
36 #define FIRST_LDT_ENTRY_TO_ALLOC 17
38 #define IS_SELECTOR_FREE(sel) (!(wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_ALLOCATED))
40 /* Determine if sel is a system selector (i.e. not managed by Wine) */
41 #define IS_SELECTOR_SYSTEM(sel) \
42 (!((sel) & 4) || ((LOWORD(sel) >> 3) < FIRST_LDT_ENTRY_TO_ALLOC))
43 #define IS_SELECTOR_32BIT(sel) \
44 (IS_SELECTOR_SYSTEM(sel) || (wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_32BIT))
46 #endif /* __WINE_SELECTORS_H */