43b0eb42ea
From-SVN: r254
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* ---------------------------------------- */
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/* VARARGS for MIPS/GNU CC */
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/* */
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/* */
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/* */
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/* */
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/* ---------------------------------------- */
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/* These macros implement traditional (non-ANSI) varargs
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for GNU C. */
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/* In GCC version 2, we want an ellipsis at the end of the declaration
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of the argument list. GCC version 1 can't parse it. */
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#if __GNUC__ > 1
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#define __va_ellipsis ...
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#else
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#define __va_ellipsis
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#endif
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#define va_alist __builtin_va_alist
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#define va_dcl int __builtin_va_alist; __va_ellipsis
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#ifndef _VA_LIST_
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#define _VA_LIST_
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/* Make this a macro rather than a typedef, so we can undef any other defn. */
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#define va_list __va___list
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typedef char * __va___list;
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#endif
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#define __va_rounded_size(TYPE) \
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(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
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#ifdef _STDARG_H
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#define va_start(AP, LASTARG) \
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(AP = ((char *) &(LASTARG) + __va_rounded_size (LASTARG)))
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#else
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#define va_start(AP) AP = (char *) &__builtin_va_alist
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#endif
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#define va_end(AP)
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#ifdef lint /* complains about constant in conditional context */
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#define va_arg(list, mode) ((mode *)(list += sizeof(mode)))[-1]
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#else /* !lint */
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#define va_arg(AP, mode) \
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((mode *)(AP = (char *) (__alignof(mode) > 4 \
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? ((int)AP + 2*8 - 1) & -8 \
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: ((int)AP + 2*4 - 1) & -4)))[-1]
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#endif /* lint */
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