dlls/ntdll/misc.c

   1 /*
   2  * Helper functions for ntdll
   3  */
   4 #include <time.h>
   5
   6 #include "config.h"
   7
   8 #include "debugtools.h"
   9 #include "ntdll_misc.h"
  10
  11 DEFAULT_DEBUG_CHANNEL(ntdll);
  12
  13 #if defined(__GNUC__) && defined(__i386__)
  14 #define USING_REAL_FPU
  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 (POBJECT_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_AnsiString(PANSI_STRING as, BOOLEAN showstring)
  28 {
  29         if (as)
  30         {
  31           if (showstring)
  32             TRACE("%p %p(%s) (%u %u)\n", as, as->Buffer, debugstr_as(as), as->Length, as->MaximumLength);
  33           else
  34             TRACE("%p %p(<OUT>) (%u %u)\n", as, as->Buffer, as->Length, as->MaximumLength);
  35         }
  36 }
  37
  38 void dump_UnicodeString(PUNICODE_STRING us, BOOLEAN showstring)
  39 {
  40         if (us)
  41         {
  42           if (showstring)
  43             TRACE("%p %p(%s) (%u %u)\n", us, us->Buffer, debugstr_us(us), us->Length, us->MaximumLength);
  44           else
  45             TRACE("%p %p(<OUT>) (%u %u)\n", us, us->Buffer, us->Length, us->MaximumLength);
  46         }
  47 }
  48
  49 LPCSTR debugstr_as (PANSI_STRING us)
  50 {
  51         if (!us) return NULL;
  52         return debugstr_an(us->Buffer, us->Length);
  53 }
  54
  55 LPCSTR debugstr_us (PUNICODE_STRING us)
  56 {
  57         if (!us) return NULL;
  58         return debugstr_wn(us->Buffer, us->Length);
  59 }
  60
  61 /*********************************************************************
  62  *                  _ftol   (NTDLL)
  63  */
  64 #ifdef USING_REAL_FPU
  65 LONG __cdecl NTDLL__ftol(void)
  66 {
  67         /* don't just do DO_FPU("fistp",retval), because the rounding
  68          * mode must also be set to "round towards zero"... */
  69         double fl;
  70         POP_FPU(fl);
  71         return (LONG)fl;
  72 }
  73 #else
  74 LONG __cdecl NTDLL__ftol(double fl)
  75 {
  76         FIXME("should be register function\n");
  77         return (LONG)fl;
  78 }
  79 #endif
  80
  81 /*********************************************************************
  82  *                  _CIpow   (NTDLL)
  83  */
  84 #ifdef USING_REAL_FPU
  85 LONG __cdecl NTDLL__CIpow(void)
  86 {
  87         double x,y;
  88         POP_FPU(y);
  89         POP_FPU(x);
  90         return pow(x,y);
  91 }
  92 #else
  93 LONG __cdecl NTDLL__CIpow(double x,double y)
  94 {
  95         FIXME("should be register function\n");
  96         return pow(x,y);
  97 }
  98 #endif