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Annotation of GNUtools/cc/va-clipper.h, revision 1.1

1.1     ! root        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: #define va_list __gnuc_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: #ifdef _STDARG_H
        !            26: #define va_start(AP,LASTARG)                   \
        !            27:   ((AP) = *(va_list *)__builtin_saveregs(),    \
        !            28:    (AP).__va_num = __builtin_args_info (0),    \
        !            29:    (AP).__va_ap += __builtin_args_info (1))
        !            30: #else
        !            31: #define va_alist  __builtin_va_alist
        !            32: /* The ... causes current_function_varargs to be set in cc1.  */
        !            33: #define va_dcl    va_list __builtin_va_alist; ...
        !            34: #define va_start(AP)                           \
        !            35:   ((AP) = *(va_list *)__builtin_saveregs(),    \
        !            36:    (AP).__va_num = __builtin_args_info (0))
        !            37: #endif /* _STDARG_H */
        !            38: 
        !            39: #define __va_rounded_size(TYPE)  \
        !            40:   (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
        !            41: 
        !            42: #define __va_round(AP,TYPE)                                    \
        !            43:   ((AP).__va_ap = ((AP).__va_ap + __alignof__ (TYPE) - 1 ) &   \
        !            44:    ~(__alignof__ (TYPE) - 1))
        !            45: 
        !            46: #define va_arg(AP, TYPE) \
        !            47:   ((AP).__va_num < 2 && __builtin_classify_type (* (TYPE *)0) < 12     \
        !            48:    ? (__builtin_classify_type (* (TYPE *)0) == 8                       \
        !            49:       ? (*(TYPE *)(AP).__va_reg[2 * (AP).__va_num++ + 1])              \
        !            50:       : (*(TYPE *)(AP).__va_reg[2 * (AP).__va_num++ ]))                        \
        !            51:    : ((AP).__va_num++, __va_round (AP,TYPE), *((TYPE *)((AP).__va_ap))++))
        !            52: 
        !            53: #define va_end(AP)
        !            54: 
        !            55: #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */

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