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Annotation of gcc/va-clipper.h, revision 1.1

1.1     ! root        1: /* Handle gvarargs.h and gstdarg.h for clipper.  */
        !             2: 
        !             3: typedef struct
        !             4: {
        !             5:   double __va_f[2];                    /* saved floating regs f0,f1 */
        !             6:   int __va_r[2];                       /* saved general regs r0,r1 */
        !             7:   int __va_ap;                         /* pointer stack args */
        !             8:   int __va_num;                                /* number of args processed */
        !             9: } va_list;
        !            10: #define _VA_LIST
        !            11: 
        !            12: #ifdef _STDARG_H
        !            13: #define va_start(AP,LASTARG)                   \
        !            14:   ((AP) = *(va_list *)__builtin_saveregs(),    \
        !            15:    (AP).__va_num = __builtin_args_info (0),    \
        !            16:    (AP).__va_ap += __builtin_args_info (1))
        !            17: #else
        !            18: #define va_alist  __builtin_va_alist
        !            19: /* The ... causes current_function_varargs to be set in cc1.  */
        !            20: #define va_dcl    va_list __builtin_va_alist; ...
        !            21: #define va_start(AP)                           \
        !            22:   ((AP) = *(va_list *)__builtin_saveregs(),    \
        !            23:    (AP).__va_num = __builtin_args_info (0))
        !            24: #endif /* _STDARG_H */
        !            25: 
        !            26: #define __va_rounded_size(TYPE)  \
        !            27:   (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
        !            28: 
        !            29: #define __va_round(AP,TYPE)                                    \
        !            30:   ((AP).__va_ap = ((AP).__va_ap + __alignof__ (TYPE) - 1 ) &   \
        !            31:    ~(__alignof__ (TYPE) - 1))
        !            32: 
        !            33: #define va_arg(AP, TYPE) \
        !            34:   ((AP).__va_num < 2 && __builtin_classify_type (* (TYPE *)0) < 12     \
        !            35:    ? (__builtin_classify_type (* (TYPE *)0) == 8               \
        !            36:       ? (*(TYPE *)&(AP).__va_f[(AP).__va_num++])               \
        !            37:       : ((TYPE)((AP).__va_r[(AP).__va_num++])))                        \
        !            38:    : ((AP).__va_num++, __va_round (AP,TYPE), *((TYPE *)((AP).__va_ap))++))
        !            39: 
        !            40: #define va_end(AP)

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