dlls/ntdll/misc.c

   1 /*
   2  * Helper functions for ntdll
   3  */
   4 #include <time.h>
   5 #include <math.h>
   6
   7 #include "config.h"
   8
   9 #include "debugtools.h"
  10 #include "ntdll_misc.h"
  11
  12 DEFAULT_DEBUG_CHANNEL(ntdll);
  13
  14 #if defined(__GNUC__) && defined(__i386__)
  15 #define DO_FPU(x,y) __asm__ __volatile__( x " %0;fwait" : "=m" (y) : )
  16 #define POP_FPU(x) DO_FPU("fstpl",x)
  17 #endif
  18
  19 void dump_ObjectAttributes (const OBJECT_ATTRIBUTES *oa)
  20 {
  21         if (oa)
  22           TRACE("%p:(name=%s, attr=0x%08lx, hRoot=0x%08x, sd=%p) \n",
  23             oa, debugstr_us(oa->ObjectName),
  24             oa->Attributes, oa->RootDirectory, oa->SecurityDescriptor);
  25 }
  26
  27 void dump_UnicodeString(const UNICODE_STRING *us, BOOLEAN showstring)
  28 {
  29         if (us)
  30         {
  31           if (showstring)
  32             TRACE("%p %p(%s) (%u %u)\n", us, us->Buffer, debugstr_us(us), us->Length, us->MaximumLength);
  33           else
  34             TRACE("%p %p(<OUT>) (%u %u)\n", us, us->Buffer, us->Length, us->MaximumLength);
  35         }
  36 }
  37
  38 LPCSTR debugstr_as( const STRING *str )
  39 {
  40     if (!str) return "<null>";
  41     return debugstr_an(str->Buffer, str->Length);
  42 }
  43
  44 LPCSTR debugstr_us( const UNICODE_STRING *us )
  45 {
  46     if (!us) return "<null>";
  47     return debugstr_wn(us->Buffer, us->Length);
  48 }
  49
  50 /*********************************************************************
  51  *                  _ftol   (NTDLL)
  52  *
  53  * VERSION
  54  *      [GNUC && i386]
  55  */
  56 #if defined(__GNUC__) && defined(__i386__)
  57 LONG __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 (LONG)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 LONG __cdecl NTDLL__ftol(double fl)
  77 {
  78         FIXME("should be register function\n");
  79         return (LONG)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__) */
 139
 140