xref: /haiku/headers/build/gcc-2.95.3/va-c4x.h (revision 1e60bdeab63fa7a57bc9a55b032052e95a18bd2c)
1 /* GNU C varargs support for the TMS320C[34]x  */
2 
3 /* C[34]x arguments grow in weird ways (downwards) that the standard
4    varargs stuff can't handle. */
5 
6 #ifndef __GNUC_VA_LIST
7 #define __GNUC_VA_LIST
8 
9 typedef void *__gnuc_va_list;
10 
11 #endif /* not __GNUC_VA_LIST */
12 
13 /* If this is for internal libc use, don't define anything but
14    __gnuc_va_list.  */
15 #if defined (_STDARG_H) || defined (_VARARGS_H)
16 
17 #ifdef _STDARG_H /* stdarg.h support */
18 
19 #define va_start(AP,LASTARG) AP=(__gnuc_va_list) __builtin_next_arg (LASTARG)
20 
21 #else /* varargs.h support */
22 
23 #define	__va_ellipsis	...
24 #define	va_alist	__builtin_va_alist
25 #define	va_dcl		int __builtin_va_alist; __va_ellipsis
26 #define va_start(AP)	AP=(__gnuc_va_list) ((int *)&__builtin_va_alist +  1)
27 
28 #endif /* _STDARG_H */
29 
30 #define va_end(AP)	((void) 0)
31 #define va_arg(AP,TYPE)	(AP = (__gnuc_va_list) ((char *) (AP) - sizeof(TYPE)), \
32 			 *((TYPE *) ((char *) (AP))))
33 
34 #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
35