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46 lines
1.4 KiB
C
46 lines
1.4 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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#ifndef __WINE_SELECTORS_H
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#define __WINE_SELECTORS_H
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#include "windef.h"
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#include "ldt.h"
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extern WORD SELECTOR_AllocBlock( const void *base, DWORD size,
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enum seg_type type, BOOL is32bit,
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BOOL readonly );
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extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size );
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extern void SELECTOR_MoveBlock( WORD sel, const void *new_base );
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extern void SELECTOR_FreeBlock( WORD sel, WORD count );
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#ifdef __i386__
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# ifdef __GNUC__
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# define __DEFINE_GET_SEG(seg) \
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extern inline unsigned short __get_##seg(void) \
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{ unsigned short res; __asm__("movw %%" #seg ",%w0" : "=r"(res)); return res; }
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# define __DEFINE_SET_SEG(seg) \
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extern inline void __set_##seg(int val) { __asm__("movl %0,%%" #seg : : "r" (val)); }
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# else /* __GNUC__ */
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# define __DEFINE_GET_SEG(seg) extern unsigned short __get_##seg(void);
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# define __DEFINE_SET_SEG(seg) extern void __set_##seg(unsigned int);
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# endif /* __GNUC__ */
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#else /* __i386__ */
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# define __DEFINE_GET_SEG(seg) static inline unsigned short __get_##seg(void) { return 0; }
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# define __DEFINE_SET_SEG(seg) /* nothing */
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#endif /* __i386__ */
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__DEFINE_GET_SEG(cs)
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__DEFINE_GET_SEG(ds)
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__DEFINE_GET_SEG(es)
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__DEFINE_GET_SEG(fs)
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__DEFINE_GET_SEG(gs)
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__DEFINE_GET_SEG(ss)
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__DEFINE_SET_SEG(fs)
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__DEFINE_SET_SEG(gs)
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#endif /* __WINE_SELECTORS_H */
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