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f3db20a3 1/* This is just like the default gvarargs.h
6dc42e49 2 except for differences described below. */
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3
4/* Make this a macro rather than a typedef, so we can undef any other defn. */
5#define va_list __va___list
6/* This has to be a char * to be compatible with Sun.
7 i.e., we have to pass a `va_list' to vsprintf. */
8typedef char * __va___list;
9
10/* In GCC version 2, we want an ellipsis at the end of the declaration
11 of the argument list. GCC version 1 can't parse it. */
12
13#if __GNUC__ > 1
14#define __va_ellipsis ...
15#else
16#define __va_ellipsis
17#endif
18
19#define va_alist __builtin_va_alist
20/* The ... causes current_function_varargs to be set in cc1. */
21#define va_dcl int __builtin_va_alist; __va_ellipsis
22
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23#ifdef _STDARG_H
24#define va_start(AP, LASTARG) \
25 (__builtin_saveregs (), AP = ((char *) __builtin_next_arg ()))
26#else
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27#define va_start(AP) \
28 (__builtin_saveregs (), (AP) = ((char *) &__builtin_va_alist))
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29#endif
30
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31#define va_end(pvar)
32
33#define __va_rounded_size(TYPE) \
34 (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
35
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36/* Avoid errors if compiling GCC v2 with GCC v1. */
37#if __GNUC__ == 1
38#define __extension__
39#endif
40
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41/* RECORD_TYPE args passed using the C calling convention are
42 passed by invisible reference. ??? RECORD_TYPE args passed
43 in the stack are made to be word-aligned; for an aggregate that is
44 not word-aligned, we advance the pointer to the first non-reg slot. */
45#define va_arg(pvar,TYPE) \
e13d81d0 46__extension__ \
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47({ TYPE __va_temp; \
48 ((__builtin_classify_type (__va_temp) >= 12) \
49 ? ((pvar) += __va_rounded_size (TYPE *), \
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50 **(TYPE **) ((pvar) - __va_rounded_size (TYPE *))) \
51 : ((pvar) += __va_rounded_size (TYPE), \
f3db20a3 52 *((TYPE *) ((pvar) - __va_rounded_size (TYPE)))));})
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