155 lines
3.9 KiB
C
155 lines
3.9 KiB
C
/***
|
|
*vadefs.h - defines helper macros for stdarg.h
|
|
*
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* This is a helper file for stdarg.h
|
|
*
|
|
* [Public]
|
|
*
|
|
****/
|
|
|
|
#if _MSC_VER > 1000
|
|
#pragma once
|
|
#endif
|
|
|
|
#ifndef _INC_VADEFS
|
|
#define _INC_VADEFS
|
|
|
|
#if !defined(_WIN32)
|
|
#error ERROR: Only Win32 target supported!
|
|
#endif
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
/*
|
|
* Currently, all MS C compilers for Win32 platforms default to 8 byte
|
|
* alignment.
|
|
*/
|
|
#undef _CRT_PACKING
|
|
#define _CRT_PACKING 8
|
|
#pragma pack(push,_CRT_PACKING)
|
|
#endif /* _MSC_VER */
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
#if !defined(_W64)
|
|
#if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300
|
|
#define _W64 __w64
|
|
#else
|
|
#define _W64
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef _UINTPTR_T_DEFINED
|
|
#ifdef _WIN64
|
|
typedef unsigned __int64 uintptr_t;
|
|
#else
|
|
typedef _W64 unsigned int uintptr_t;
|
|
#endif
|
|
#define _UINTPTR_T_DEFINED
|
|
#endif
|
|
|
|
#ifndef _VA_LIST_DEFINED
|
|
#ifdef _M_CEE_PURE
|
|
typedef System::ArgIterator va_list;
|
|
#else
|
|
typedef char * va_list;
|
|
#endif /* _M_CEE_PURE */
|
|
#define _VA_LIST_DEFINED
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
#define _ADDRESSOF(v) ( &reinterpret_cast<const char &>(v) )
|
|
#else
|
|
#define _ADDRESSOF(v) ( &(v) )
|
|
#endif
|
|
|
|
#if defined(_M_IA64) && !defined(_M_CEE_PURE)
|
|
#define _VA_ALIGN 8
|
|
#define _SLOTSIZEOF(t) ( (sizeof(t) + _VA_ALIGN - 1) & ~(_VA_ALIGN - 1) )
|
|
|
|
#define _VA_STRUCT_ALIGN 16
|
|
|
|
#define _ALIGNOF(ap) ((((ap)+_VA_STRUCT_ALIGN - 1) & ~(_VA_STRUCT_ALIGN -1)) \
|
|
- (ap))
|
|
#define _APALIGN(t,ap) (__alignof(t) > 8 ? _ALIGNOF((uintptr_t) ap) : 0)
|
|
|
|
#else
|
|
#define _SLOTSIZEOF(t) (sizeof(t))
|
|
#define _APALIGN(t,ap) (__alignof(t))
|
|
#endif
|
|
|
|
#if defined(_M_CEE)
|
|
|
|
extern void __cdecl __va_start(va_list*, ...);
|
|
extern void * __cdecl __va_arg(va_list*, ...);
|
|
extern void __cdecl __va_end(va_list*);
|
|
|
|
#define _crt_va_start(ap,v) ( __va_start(&ap, _ADDRESSOF(v), _SLOTSIZEOF(v), \
|
|
__alignof(v), _ADDRESSOF(v)) )
|
|
#define _crt_va_arg(ap,t) ( *(t *)__va_arg(&ap, _SLOTSIZEOF(t), \
|
|
_APALIGN(t,ap), (t *)0) )
|
|
#define _crt_va_end(ap) ( __va_end(&ap) )
|
|
|
|
#elif defined(_M_IX86)
|
|
|
|
#define _INTSIZEOF(n) ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
|
|
|
|
#define _crt_va_start(ap,v) ( ap = (va_list)_ADDRESSOF(v) + _INTSIZEOF(v) )
|
|
#define _crt_va_arg(ap,t) ( *(t *)((ap += _INTSIZEOF(t)) - _INTSIZEOF(t)) )
|
|
#define _crt_va_end(ap) ( ap = (va_list)0 )
|
|
|
|
#elif defined(_M_IA64)
|
|
|
|
#ifdef __cplusplus
|
|
extern void __cdecl __va_start(va_list*, ...);
|
|
#define _crt_va_start(ap,v) ( __va_start(&ap, _ADDRESSOF(v), _SLOTSIZEOF(v), \
|
|
_ADDRESSOF(v)) )
|
|
#else
|
|
#define _crt_va_start(ap,v) ( ap = (va_list)_ADDRESSOF(v) + _SLOTSIZEOF(v) )
|
|
#endif
|
|
|
|
#define _crt_va_arg(ap,t) (*(t *)((ap += _SLOTSIZEOF(t)+ _APALIGN(t,ap)) \
|
|
-_SLOTSIZEOF(t)))
|
|
|
|
#define _crt_va_end(ap) ( ap = (va_list)0 )
|
|
|
|
#elif defined(_M_AMD64)
|
|
|
|
|
|
extern void __cdecl __va_start(va_list *, ...);
|
|
|
|
#define _crt_va_start(ap, x) ( __va_start(&ap, x) )
|
|
#define _crt_va_arg(ap, t) \
|
|
( ( sizeof(t) > sizeof(__int64) || ( sizeof(t) & (sizeof(t) - 1) ) != 0 ) \
|
|
? **(t **)( ( ap += sizeof(__int64) ) - sizeof(__int64) ) \
|
|
: *(t *)( ( ap += sizeof(__int64) ) - sizeof(__int64) ) )
|
|
#define _crt_va_end(ap) ( ap = (va_list)0 )
|
|
|
|
#else
|
|
|
|
/* A guess at the proper definitions for other platforms */
|
|
|
|
#define _INTSIZEOF(n) ( (sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1) )
|
|
|
|
#define _crt_va_start(ap,v) ( ap = (va_list)_ADDRESSOF(v) + _INTSIZEOF(v) )
|
|
#define _crt_va_arg(ap,t) ( *(t *)((ap += _INTSIZEOF(t)) - _INTSIZEOF(t)) )
|
|
#define _crt_va_end(ap) ( ap = (va_list)0 )
|
|
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma pack(pop)
|
|
#endif /* _MSC_VER */
|
|
|
|
#endif /* _INC_VADEFS */
|