dlls/ntdll/misc.c

   1 /*
   2  * Helper functions for ntdll
   3  *
   4  * Copyright 2000 Juergen Schmied
   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 #include "config.h"
  22
  23 #include <time.h>
  24 #include <math.h>
  25
  26 #include "wine/debug.h"
  27 #include "ntdll_misc.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  30
  31 #if defined(__GNUC__) && defined(__i386__)
  32 #define DO_FPU(x,y) __asm__ __volatile__( x " %0;fwait" : "=m" (y) : )
  33 #define POP_FPU(x) DO_FPU("fstpl",x)
  34 #endif
  35
  36 void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *oa)
  37 {
  38         if (oa)
  39           TRACE("%p:(name=%s, attr=0x%08lx, hRoot=%p, sd=%p)\n",
  40             oa, debugstr_us(oa->ObjectName),
  41             oa->Attributes, oa->RootDirectory, oa->SecurityDescriptor);
  42 }
  43
  44 LPCSTR debugstr_us( const UNICODE_STRING *us )
  45 {
  46     if (!us) return "<null>";
  47     return debugstr_wn(us->Buffer, us->Length / sizeof(WCHAR));
  48 }
  49
  50 /*********************************************************************
  51  *                  _ftol   (NTDLL.@)
  52  *
  53  * VERSION
  54  *      [GNUC && i386]
  55  */
  56 #if defined(__GNUC__) && defined(__i386__)
  57 LONGLONG __cdecl NTDLL__ftol(void)
  58 {
  59         /* don't just do DO_FPU("fistp",retval), because the rounding
  60          * mode must also be set to "round towards zero"... */
  61         double fl;
  62         POP_FPU(fl);
  63         return (LONGLONG)fl;
  64 }
  65 #endif /* defined(__GNUC__) && defined(__i386__) */
  66
  67 /*********************************************************************
  68  *                  _ftol   (NTDLL.@)
  69  *
  70  * FIXME
  71  *      Should be register function
  72  * VERSION
  73  *      [!GNUC && i386]
  74  */
  75 #if !defined(__GNUC__) && defined(__i386__)
  76 LONGLONG __cdecl NTDLL__ftol(double fl)
  77 {
  78         FIXME("should be register function\n");
  79         return (LONGLONG)fl;
  80 }
  81 #endif /* !defined(__GNUC__) && defined(__i386__) */
  82
  83 /*********************************************************************
  84  *                  _ftol   (NTDLL.@)
  85  * VERSION
  86  *      [!i386]
  87  */
  88 #ifndef __i386__
  89 LONG __cdecl NTDLL__ftol(double fl)
  90 {
  91         return (LONG) fl;
  92 }
  93 #endif /* !defined(__i386__) */
  94
  95 /*********************************************************************
  96  *                  _CIpow   (NTDLL.@)
  97  * VERSION
  98  *      [GNUC && i386]
  99  */
 100 #if defined(__GNUC__) && defined(__i386__)
 101 double __cdecl NTDLL__CIpow(void)
 102 {
 103         double x,y;
 104         POP_FPU(y);
 105         POP_FPU(x);
 106         return pow(x,y);
 107 }
 108 #endif /* defined(__GNUC__) && defined(__i386__) */
 109
 110
 111 /*********************************************************************
 112  *                  _CIpow   (NTDLL.@)
 113  *
 114  * FIXME
 115  *      Should be register function
 116  *
 117  * VERSION
 118  *      [!GNUC && i386]
 119  */
 120 #if !defined(__GNUC__) && defined(__i386__)
 121 double __cdecl NTDLL__CIpow(double x,double y)
 122 {
 123         FIXME("should be register function\n");
 124         return pow(x,y);
 125 }
 126 #endif /* !defined(__GNUC__) && defined(__i386__) */
 127
 128 /*********************************************************************
 129  *                  _CIpow   (NTDLL.@)
 130  * VERSION
 131  *      [!i386]
 132  */
 133 #ifndef __i386__
 134 double __cdecl NTDLL__CIpow(double x,double y)
 135 {
 136         return pow(x,y);
 137 }
 138 #endif /* !defined(__i386__) */