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 USING_REAL_FPU
  16 #define DO_FPU(x,y) __asm__ __volatile__( x " %0;fwait" : "=m" (y) : )
  17 #define POP_FPU(x) DO_FPU("fstpl",x)
  18 #endif
  19
  20 void dump_ObjectAttributes (POBJECT_ATTRIBUTES oa)
  21 {
  22         if (oa)
  23           TRACE("%p:(name=%s, attr=0x%08lx, hRoot=0x%08x, sd=%p) \n",
  24             oa, debugstr_us(oa->ObjectName),
  25             oa->Attributes, oa->RootDirectory, oa->SecurityDescriptor);
  26 }
  27
  28 void dump_AnsiString(PANSI_STRING as, BOOLEAN showstring)
  29 {
  30         if (as)
  31         {
  32           if (showstring)
  33             TRACE("%p %p(%s) (%u %u)\n", as, as->Buffer, debugstr_as(as), as->Length, as->MaximumLength);
  34           else
  35             TRACE("%p %p(<OUT>) (%u %u)\n", as, as->Buffer, as->Length, as->MaximumLength);
  36         }
  37 }
  38
  39 void dump_UnicodeString(PUNICODE_STRING us, BOOLEAN showstring)
  40 {
  41         if (us)
  42         {
  43           if (showstring)
  44             TRACE("%p %p(%s) (%u %u)\n", us, us->Buffer, debugstr_us(us), us->Length, us->MaximumLength);
  45           else
  46             TRACE("%p %p(<OUT>) (%u %u)\n", us, us->Buffer, us->Length, us->MaximumLength);
  47         }
  48 }
  49
  50 LPCSTR debugstr_as (PANSI_STRING us)
  51 {
  52         if (!us) return NULL;
  53         return debugstr_an(us->Buffer, us->Length);
  54 }
  55
  56 LPCSTR debugstr_us (PUNICODE_STRING us)
  57 {
  58         if (!us) return NULL;
  59         return debugstr_wn(us->Buffer, us->Length);
  60 }
  61
  62 /*********************************************************************
  63  *                  _ftol   (NTDLL)
  64  */
  65 #ifdef USING_REAL_FPU
  66 LONG __cdecl NTDLL__ftol(void)
  67 {
  68         /* don't just do DO_FPU("fistp",retval), because the rounding
  69          * mode must also be set to "round towards zero"... */
  70         double fl;
  71         POP_FPU(fl);
  72         return (LONG)fl;
  73 }
  74 #else
  75 LONG __cdecl NTDLL__ftol(double fl)
  76 {
  77         FIXME("should be register function\n");
  78         return (LONG)fl;
  79 }
  80 #endif
  81
  82 /*********************************************************************
  83  *                  _CIpow   (NTDLL)
  84  */
  85 #ifdef USING_REAL_FPU
  86 LONG __cdecl NTDLL__CIpow(void)
  87 {
  88         double x,y;
  89         POP_FPU(y);
  90         POP_FPU(x);
  91         return pow(x,y);
  92 }
  93 #else
  94 LONG __cdecl NTDLL__CIpow(double x,double y)
  95 {
  96         FIXME("should be register function\n");
  97         return pow(x,y);
  98 }
  99 #endif