1 /**
2  * This file has no copyright assigned and is placed in the Public Domain.
3  * This file is part of the mingw-w64 runtime package.
4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
5  */
6 #ifndef _INC_VADEFS
7 #define _INC_VADEFS
8 
9 #include <_mingw.h>
10 
11 #ifndef __WIDL__
12 #undef _CRT_PACKING
13 #define _CRT_PACKING 8
14 #pragma pack(push,_CRT_PACKING)
15 #endif
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif
20 
21 #if defined (__GNUC__)
22 #ifndef __GNUC_VA_LIST
23 #define __GNUC_VA_LIST
24   typedef __builtin_va_list __gnuc_va_list;
25 #endif
26 #endif /* __GNUC__ */
27 
28 #ifndef _VA_LIST_DEFINED	/* if stdargs.h didn't define it */
29 #define _VA_LIST_DEFINED
30 #if defined(__GNUC__)
31   typedef __gnuc_va_list va_list;
32 #elif defined(_MSC_VER)
33   typedef char *  va_list;
34 #elif !defined(__WIDL__)
35 #error VARARGS not implemented for this compiler
36 #endif
37 #endif /* _VA_LIST_DEFINED */
38 
39 #ifdef __cplusplus
40 #define _ADDRESSOF(v) (&reinterpret_cast<const char &>(v))
41 #else
42 #define _ADDRESSOF(v) (&(v))
43 #endif
44 
45 #if defined (__GNUC__)
46 /* Use GCC builtins */
47 
48 #define _crt_va_start(v,l)	__builtin_va_start(v,l)
49 #define _crt_va_arg(v,l)	__builtin_va_arg(v,l)
50 #define _crt_va_end(v)		__builtin_va_end(v)
51 #define _crt_va_copy(d,s)	__builtin_va_copy(d,s)
52 
53 #elif defined(_MSC_VER)
54 /* MSVC specific */
55 
56 #if defined(_M_IA64)
57 #define _VA_ALIGN 8
58 #define _SLOTSIZEOF(t) ((sizeof(t) + _VA_ALIGN - 1) & ~(_VA_ALIGN - 1))
59 #define _VA_STRUCT_ALIGN 16
60 #define _ALIGNOF(ap) ((((ap)+_VA_STRUCT_ALIGN - 1) & ~(_VA_STRUCT_ALIGN -1)) - (ap))
61 #define _APALIGN(t,ap) (__alignof(t) > 8 ? _ALIGNOF((uintptr_t) ap) : 0)
62 #else
63 #define _SLOTSIZEOF(t) (sizeof(t))
64 #define _APALIGN(t,ap) (__alignof(t))
65 #endif
66 
67 #if defined(_M_IX86)
68 
69 #define _INTSIZEOF(n) ((sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1))
70 #define _crt_va_start(v,l)	((v) = (va_list)_ADDRESSOF(l) + _INTSIZEOF(l))
71 #define _crt_va_arg(v,l)	(*(l *)(((v) += _INTSIZEOF(l)) - _INTSIZEOF(l)))
72 #define _crt_va_end(v)		((v) = (va_list)0)
73 #define _crt_va_copy(d,s)	((d) = (s))
74 
75 #elif defined(_M_AMD64)
76 
77 #define _PTRSIZEOF(n) ((sizeof(n) + sizeof(void*) - 1) & ~(sizeof(void*) - 1))
78 #define _ISSTRUCT(t)  ((sizeof(t) > sizeof(void*)) || (sizeof(t) & (sizeof(t) - 1)) != 0)
79 #define _crt_va_start(v,l)	((v) = (va_list)_ADDRESSOF(l) + _PTRSIZEOF(l))
80 #define _crt_va_arg(v,t)	_ISSTRUCT(t) ?						\
81 				 (**(t**)(((v) += sizeof(void*)) - sizeof(void*))) :	\
82 				 ( *(t *)(((v) += sizeof(void*)) - sizeof(void*)))
83 #define _crt_va_end(v)		((v) = (va_list)0)
84 #define _crt_va_copy(d,s)	((d) = (s))
85 
86 #elif defined(_M_IA64)
87 
88 #error VARARGS not implemented for IA64
89 
90 #else
91 
92 #error VARARGS not implemented for this TARGET
93 
94 #endif /* cpu ifdefs */
95 
96 #endif /* compiler ifdefs */
97 
98 #ifdef __cplusplus
99 }
100 #endif
101 
102 #ifndef __WIDL__
103 #pragma pack(pop)
104 #endif
105 
106 #endif /* _INC_VADEFS */
107 
108