diff options
Diffstat (limited to 'lib/ultralib/include/compiler/ido/stdarg.h')
| -rw-r--r-- | lib/ultralib/include/compiler/ido/stdarg.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/ultralib/include/compiler/ido/stdarg.h b/lib/ultralib/include/compiler/ido/stdarg.h new file mode 100644 index 0000000..62f68e0 --- /dev/null +++ b/lib/ultralib/include/compiler/ido/stdarg.h @@ -0,0 +1,33 @@ +#ifndef _STDARG_H +#define _STDARG_H + +typedef char *va_list; +#define _FP 1 +#define _INT 0 +#define _STRUCT 2 + +#define _VA_FP_SAVE_AREA 0x10 +#define _VA_ALIGN(p, a) (((unsigned int)(((char *)p) + ((a) > 4 ? (a) : 4) - 1)) & -((a) > 4 ? (a) : 4)) +#define va_start(vp, parmN) (vp = ((va_list)&parmN + sizeof(parmN))) + +#define __va_stack_arg(list, mode) \ + ( \ + ((list) = (char *)_VA_ALIGN(list, __builtin_alignof(mode)) + \ + _VA_ALIGN(sizeof(mode), 4)), \ + (((char *)list) - (_VA_ALIGN(sizeof(mode), 4) - sizeof(mode)))) + +#define __va_double_arg(list, mode) \ + ( \ + (((long)list & 0x1) /* 1 byte aligned? */ \ + ? (list = (char *)((long)list + 7), (char *)((long)list - 6 - _VA_FP_SAVE_AREA)) \ + : (((long)list & 0x2) /* 2 byte aligned? */ \ + ? (list = (char *)((long)list + 10), (char *)((long)list - 24 - _VA_FP_SAVE_AREA)) \ + : __va_stack_arg(list, mode)))) + +#define va_arg(list, mode) ((mode *)(((__builtin_classof(mode) == _FP && \ + __builtin_alignof(mode) == sizeof(double)) \ + ? __va_double_arg(list, mode) \ + : __va_stack_arg(list, mode))))[-1] +#define va_end(__list) + +#endif /* STDARG_H */ |