lib/bcheck: Prevent libc_malloc/libc_free etc from being miscompiled
[tinycc.git] / include / stdarg.h
blob666adf76f0a6dd101697f7eaf24017ca669b3b1d
1 #ifndef _STDARG_H
2 #define _STDARG_H
4 #ifdef __x86_64__
5 #ifndef _WIN64
7 typedef void *va_list;
9 va_list __va_start(void *fp);
10 void *__va_arg(va_list ap, int arg_type, int size);
11 va_list __va_copy(va_list src);
12 void __va_end(va_list ap);
14 #define va_start(ap, last) ((ap) = __va_start(__builtin_frame_address(0)))
15 #define va_arg(ap, type) \
16 (*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type))))
17 #define va_copy(dest, src) ((dest) = __va_copy(src))
18 #define va_end(ap) __va_end(ap)
20 #else /* _WIN64 */
21 typedef char *va_list;
22 #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+7)&~7)
23 #define va_arg(ap,type) (ap += (sizeof(type)+7)&~7, *(type *)(ap - ((sizeof(type)+7)&~7)))
24 #define va_copy(dest, src) (dest) = (src)
25 #define va_end(ap)
26 #endif
28 #else /* __i386__ */
29 typedef char *va_list;
30 /* only correct for i386 */
31 #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3)
32 #define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3)))
33 #define va_copy(dest, src) (dest) = (src)
34 #define va_end(ap)
35 #endif
37 /* fix a buggy dependency on GCC in libio.h */
38 typedef va_list __gnuc_va_list;
39 #define _VA_LIST_DEFINED
41 #endif /* _STDARG_H */