#ifndef _STDARG_H #define _STDARG_H #ifdef __x86_64__ #ifndef _WIN64 typedef void *va_list; va_list __va_start(void *fp); void *__va_arg(va_list ap, int arg_type, int size, int align); va_list __va_copy(va_list src); void __va_end(va_list ap); #define va_start(ap, last) ((ap) = __va_start(__builtin_frame_address(0))) #define va_arg(ap, type) \ (*(type *)(__va_arg(ap, __builtin_va_arg_types(type), sizeof(type), __alignof__(type)))) #define va_copy(dest, src) ((dest) = __va_copy(src)) #define va_end(ap) __va_end(ap) #else /* _WIN64 */ typedef char *va_list; #define va_start(ap,last) __builtin_va_start(ap,last) #define va_arg(ap,type) (ap += 8, sizeof(type)<=8 ? *(type*)ap : **(type**)ap) #define va_copy(dest, src) ((dest) = (src)) #define va_end(ap) #endif #elif __arm__ typedef char *va_list; #define _tcc_alignof(type) ((int)&((struct {char c;type x;} *)0)->x) #define _tcc_align(addr,type) (((unsigned)addr + _tcc_alignof(type) - 1) \ & ~(_tcc_alignof(type) - 1)) #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3) #define va_arg(ap,type) (ap = (void *) ((_tcc_align(ap,type)+sizeof(type)+3) \ &~3), *(type *)(ap - ((sizeof(type)+3)&~3))) #define va_copy(dest, src) (dest) = (src) #define va_end(ap) #else /* __i386__ */ typedef char *va_list; /* only correct for i386 */ #define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3) #define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3))) #define va_copy(dest, src) (dest) = (src) #define va_end(ap) #endif /* fix a buggy dependency on GCC in libio.h */ typedef va_list __gnuc_va_list; #define _VA_LIST_DEFINED #endif /* _STDARG_H */