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

1.1     ! root        1: /* ---------------------------------------- */
        !             2: /*           VARARGS  for MIPS/GNU CC       */
        !             3: /*                                          */
        !             4: /*                                          */
        !             5: /*                                          */
        !             6: /*                                          */
        !             7: /* ---------------------------------------- */
        !             8: 
        !             9: 
        !            10: /* These macros implement traditional (non-ANSI) varargs
        !            11:    for GNU C.  */
        !            12: 
        !            13: /* In GCC version 2, we want an ellipsis at the end of the declaration
        !            14:    of the argument list.  GCC version 1 can't parse it.  */
        !            15: 
        !            16: #if __GNUC__ > 1
        !            17: #define __va_ellipsis ...
        !            18: #else
        !            19: #define __va_ellipsis
        !            20: #endif
        !            21: 
        !            22: #define va_alist  __builtin_va_alist
        !            23: #define va_dcl    int __builtin_va_alist; __va_ellipsis
        !            24: #ifndef _VA_LIST_
        !            25: #define _VA_LIST_
        !            26: /* Make this a macro rather than a typedef, so we can undef any other defn.  */
        !            27: #define va_list __va___list
        !            28: typedef char * __va___list;
        !            29: #endif
        !            30: 
        !            31: #define __va_rounded_size(TYPE)  \
        !            32:   (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
        !            33: 
        !            34: #ifdef _STDARG_H
        !            35: #define va_start(AP, LASTARG)                                          \
        !            36:  (AP = ((char *) &(LASTARG) + __va_rounded_size (LASTARG)))
        !            37: #else
        !            38: #define va_start(AP)  AP = (char *) &__builtin_va_alist
        !            39: #endif
        !            40: 
        !            41: #define va_end(AP)
        !            42: 
        !            43: #ifdef lint    /* complains about constant in conditional context */
        !            44: #define va_arg(list, mode) ((mode *)(list += sizeof(mode)))[-1]
        !            45: 
        !            46: #else          /* !lint */
        !            47: #define va_arg(AP, mode)                                               \
        !            48:   ((mode *)(AP = (char *) (__alignof(mode) > 4                         \
        !            49:                                ? ((int)AP + 2*8 - 1) & -8              \
        !            50:                                : ((int)AP + 2*4 - 1) & -4)))[-1]
        !            51: #endif         /* lint */
        !            52: 

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