include/selectors.h

   1 /*
   2  * Selector definitions
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #ifndef __WINE_SELECTORS_H
   8 #define __WINE_SELECTORS_H
   9
  10 #include "windef.h"
  11 #include "ldt.h"
  12
  13 extern WORD SELECTOR_AllocBlock( const void *base, DWORD size,
  14                                  enum seg_type type, BOOL is32bit,
  15                                  BOOL readonly );
  16 extern WORD SELECTOR_ReallocBlock( WORD sel, const void *base, DWORD size );
  17 extern void SELECTOR_MoveBlock( WORD sel, const void *new_base );
  18 extern void SELECTOR_FreeBlock( WORD sel, WORD count );
  19
  20 #ifdef __i386__
  21 # define __GET_SEG(seg,res) __asm__( "movw %%" seg ",%w0" : "=r" (res) )
  22 # define __SET_SEG(seg,val) __asm__( "movw %w0,%%" seg : : "r" (val) )
  23 #else  /* __i386__ */
  24 # define __GET_SEG(seg,res) ((res) = 0)
  25 # define __SET_SEG(seg,val) /* nothing */
  26 #endif  /* __i386__ */
  27
  28 #define GET_CS(cs) __GET_SEG("cs",cs)
  29 #define GET_DS(ds) __GET_SEG("ds",ds)
  30 #define GET_ES(es) __GET_SEG("es",es)
  31 #define GET_FS(fs) __GET_SEG("fs",fs)
  32 #define GET_GS(gs) __GET_SEG("gs",gs)
  33 #define GET_SS(ss) __GET_SEG("ss",ss)
  34
  35 #define SET_CS(cs) __SET_SEG("cs",cs)
  36 #define SET_DS(ds) __SET_SEG("ds",ds)
  37 #define SET_ES(es) __SET_SEG("es",es)
  38 #define SET_FS(fs) __SET_SEG("fs",fs)
  39 #define SET_GS(gs) __SET_SEG("gs",gs)
  40 #define SET_SS(ss) __SET_SEG("ss",ss)
  41
  42 #endif /* __WINE_SELECTORS_H */