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47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/*
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* Selector definitions
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*
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* Copyright 1995 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_SELECTORS_H
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#define __WINE_SELECTORS_H
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#include "windef.h"
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#include "wine/library.h"
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extern WORD SELECTOR_AllocBlock( const void *base, DWORD size, unsigned char flags );
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extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size );
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extern void SELECTOR_FreeBlock( WORD sel );
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extern UINT W32S_offset;
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#define W32S_APP2WINE(addr) ((addr)? (DWORD)(addr) + W32S_offset : 0)
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#define W32S_WINE2APP(addr) ((addr)? (DWORD)(addr) - W32S_offset : 0)
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#define FIRST_LDT_ENTRY_TO_ALLOC 17
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#define IS_SELECTOR_FREE(sel) (!(wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_ALLOCATED))
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/* Determine if sel is a system selector (i.e. not managed by Wine) */
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#define IS_SELECTOR_SYSTEM(sel) \
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(!((sel) & 4) || ((LOWORD(sel) >> 3) < FIRST_LDT_ENTRY_TO_ALLOC))
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#define IS_SELECTOR_32BIT(sel) \
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(IS_SELECTOR_SYSTEM(sel) || (wine_ldt_copy.flags[LOWORD(sel) >> 3] & WINE_LDT_FLAGS_32BIT))
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#endif /* __WINE_SELECTORS_H */
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