gcc/ginclude/va-clipper.h

   1 /* GNU C varargs and stdargs support for Clipper.  */
   2
   3 /* Define __gnuc_va_list. */
   4
   5 #ifndef __GNUC_VA_LIST
   6 #define __GNUC_VA_LIST
   7
   8 typedef struct
   9 {
  10   int __va_ap;                          /* pointer to stack args */
  11   void *__va_reg[4];                    /* pointer to r0,f0,r1,f1 */
  12   int __va_num;                         /* number of args processed */
  13 } __gnuc_va_list;
  14 #endif /* not __GNUC_VA_LIST */
  15
  16
  17 #if defined (_STDARG_H) || defined (_VARARGS_H)
  18 typedef __gnuc_va_list va_list;
  19 #define __va_list __gnuc_va_list        /* acc compatibility */
  20
  21 #define _VA_LIST
  22 #define _VA_LIST_
  23 #define _SYS_INT_STDARG_H               /* acc compatibility */
  24
  25 /* Call __builtin_next_arg even though we aren't using its value, so that
  26    we can verify that LASTARG is correct.  */
  27 #ifdef _STDARG_H
  28 #define va_start(AP,LASTARG)                    \
  29   (__builtin_next_arg (LASTARG),                \
  30    (AP) = *(va_list *)__builtin_saveregs(),     \
  31    (AP).__va_num = __builtin_args_info (0),     \
  32    (AP).__va_ap += __builtin_args_info (1))
  33 #else
  34 #define va_alist  __builtin_va_alist
  35 /* The ... causes current_function_varargs to be set in cc1.  */
  36 #define va_dcl    va_list __builtin_va_alist; ...
  37 #define va_start(AP)                            \
  38   ((AP) = *(va_list *)__builtin_saveregs(),     \
  39    (AP).__va_num = __builtin_args_info (0))
  40 #endif /* _STDARG_H */
  41
  42 /* round to alignment of `type' but keep a least integer alignment */
  43 #define __va_round(AP,TYPE)                                     \
  44   ((AP).__va_ap = ((AP).__va_ap + __alignof__ (TYPE) - 1 ) &    \
  45    ~(__alignof__ (TYPE) - 1),                                   \
  46   ((AP).__va_ap = ((AP).__va_ap + sizeof (int) - 1) & ~(sizeof (int) - 1)))
  47
  48 #define va_arg(AP, TYPE) \
  49   (*((AP).__va_num < 2 && __builtin_classify_type (* (TYPE *)0) < 12    \
  50    ? (__builtin_classify_type (* (TYPE *)0) == 8                        \
  51       ? ((TYPE *)(AP).__va_reg[2 * (AP).__va_num++ + 1])                \
  52       : ((TYPE *)(AP).__va_reg[2 * (AP).__va_num++ ]))                  \
  53    : ((AP).__va_num++, __va_round (AP,TYPE), ((TYPE *)((AP).__va_ap))++)))
  54
  55 #define va_end(AP)      ((void) 0)
  56
  57 /* Copy __gnuc_va_list into another variable of this type.  */
  58 #define __va_copy(dest, src) (dest) = (src)
  59
  60 #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */