| 29,31 → 29,18 |
|---|
| #ifndef __LIBC__STDARG_H__ |
| #define __LIBC__STDARG_H__ |
| |
| #include<types.h> |
| #include<stackarg.h> |
| |
| #ifndef __VARARGS_DEFINED |
| #define __VARARGS_DEFINED |
| # define __VARARGS_DEFINED |
| |
| /* |
| * Variable argument list manipulation macros |
| * for architectures using stack to pass arguments. |
| */ |
| |
| #include <types.h> |
| typedef __builtin_va_list va_list; |
| |
| typedef struct va_list { |
| int pos; |
| uint8_t *last; |
| } va_list; |
| # define va_start(ap, last) __builtin_va_start(ap, last) |
| # define va_arg(ap, type) __builtin_va_arg(ap, type) |
| # define va_end(ap) __builtin_va_end(ap) |
| |
| #define va_start(ap, lst) \ |
| (ap).pos = sizeof(lst); \ |
| (ap).last = (uint8_t *) &(lst) |
| # endif |
| |
| #define va_arg(ap, type) \ |
| (*((type *)((ap).last + ((ap).pos += sizeof(type) ) - sizeof(type)))) |
| |
| #define va_end(ap) |
| |
| #endif |
| |
| |
| #endif |