reactos/include/crt/vadefs.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER within this package.
   5  */
   6 #ifndef _INC_VADEFS
   7 #define _INC_VADEFS
   8
   9 #ifndef _WIN32
  10 #error Only Win32 target is supported!
  11 #endif
  12
  13 #include <crtdefs.h>
  14
  15 #undef _CRT_PACKING
  16 #define _CRT_PACKING 8
  17 #pragma pack(push,_CRT_PACKING)
  18
  19 #ifdef __cplusplus
  20 extern "C" {
  21 #endif
  22
  23 #ifndef _UINTPTR_T_DEFINED
  24 #define _UINTPTR_T_DEFINED
  25 #ifndef __uintptr_t_defined
  26 #define __uintptr_t_defined
  27 #undef uintptr_t
  28 #ifdef _WIN64
  29 #if defined(__GNUC__) && defined(__STRICT_ANSI__)
  30   typedef unsigned int uintptr_t __attribute__ ((mode (DI)));
  31 #else
  32   __MINGW_EXTENSION typedef unsigned __int64 uintptr_t;
  33 #endif
  34 #else
  35   typedef unsigned long uintptr_t;
  36 #endif
  37 #endif
  38 #endif
  39
  40 #ifdef __GNUC__
  41 #ifndef __GNUC_VA_LIST
  42 #define __GNUC_VA_LIST
  43   typedef __builtin_va_list __gnuc_va_list;
  44 #endif
  45 #endif
  46
  47 #ifndef _VA_LIST_DEFINED
  48 #define _VA_LIST_DEFINED
  49 #if defined(__GNUC__)
  50   typedef __gnuc_va_list va_list;
  51 #elif defined(_MSC_VER)
  52   typedef char *  va_list;
  53 #endif
  54 #endif
  55
  56 #ifdef __cplusplus
  57 #define _ADDRESSOF(v) (&reinterpret_cast<const char &>(v))
  58 #else
  59 #define _ADDRESSOF(v) (&(v))
  60 #endif
  61
  62 #if defined(__ia64__)
  63 #define _VA_ALIGN 8
  64 #define _SLOTSIZEOF(t) ((sizeof(t) + _VA_ALIGN - 1) & ~(_VA_ALIGN - 1))
  65
  66 #define _VA_STRUCT_ALIGN 16
  67
  68 #define _ALIGNOF(ap) ((((ap)+_VA_STRUCT_ALIGN - 1) & ~(_VA_STRUCT_ALIGN -1)) - (ap))
  69 #define _APALIGN(t,ap) (__alignof(t) > 8 ? _ALIGNOF((uintptr_t) ap) : 0)
  70 #else
  71 #define _SLOTSIZEOF(t) (sizeof(t))
  72 #define _APALIGN(t,ap) (__alignof(t))
  73 #endif
  74
  75 #define _INTSIZEOF(n) ((sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1))
  76
  77 #if defined(__GNUC__)
  78 #define _crt_va_start(v,l)      __builtin_va_start(v,l)
  79 #define _crt_va_arg(v,l)        __builtin_va_arg(v,l)
  80 #define _crt_va_end(v)  __builtin_va_end(v)
  81 #define __va_copy(d,s)  __builtin_va_copy(d,s)
  82 #elif defined(_MSC_VER)
  83
  84 #if defined(_M_IX86)
  85 #define _crt_va_start(v,l)      ((void)((v) = (va_list)_ADDRESSOF(l) + _INTSIZEOF(l)))
  86 #define _crt_va_arg(v,l)        (*(l *)(((v) += _INTSIZEOF(l)) - _INTSIZEOF(l)))
  87 #define _crt_va_end(v)  ((void)((v) = (va_list)0))
  88 #define __va_copy(d,s)  ((void)((d) = (s)))
  89 #elif defined(_M_AMD64)
  90 #define _PTRSIZEOF(n) ((sizeof(n) + sizeof(void*) - 1) & ~(sizeof(void*) - 1))
  91 #define _ISSTRUCT(t) ((sizeof(t) > sizeof(void*)) || (sizeof(t) & (sizeof(t)-1)) != 0)
  92 #define _crt_va_start(v,l)      ((void)((v) = (va_list)_ADDRESSOF(l) + _PTRSIZEOF(l)))
  93 #define _crt_va_arg(v,t)        (_ISSTRUCT(t) ? \
  94                             (**(t**)(((v) += sizeof(void*)) - sizeof(void*))) : \
  95                             (*(t*)(((v) += sizeof(void*)) - sizeof(void*))))
  96 #define _crt_va_end(v)  ((void)((v) = (va_list)0))
  97 #define __va_copy(d,s)  ((void)((d) = (s)))
  98 #else //if defined(_M_IA64) || defined(_M_CEE)
  99 #error Please implement me
 100 #endif
 101
 102 #endif
 103
 104 #if !defined(va_copy) && (!defined(__STRICT_ANSI__) || __STDC_VERSION__ + 0 >= 199900L)
 105 #define va_copy(d,s)    __va_copy((d),(s))
 106 #endif
 107
 108 #ifdef __cplusplus
 109 }
 110 #endif
 111
 112 #pragma pack(pop)
 113 #endif