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- /* This is just like the default gvarargs.h
- except for differences described below. */
-
- /* Define __gnuc_va_list. */
-
- #ifndef __GNUC_VA_LIST
- #define __GNUC_VA_LIST
-
- #ifndef __svr4__
- /* This has to be a char * to be compatible with Sun.
- i.e., we have to pass a `va_list' to vsprintf. */
- typedef char * __gnuc_va_list;
- #else
- /* This has to be a void * to be compatible with Sun svr4.
- i.e., we have to pass a `va_list' to vsprintf. */
- typedef void * __gnuc_va_list;
- #endif
- #endif /* not __GNUC_VA_LIST */
-
- /* If this is for internal libc use, don't define anything but
- __gnuc_va_list. */
- #if defined (_STDARG_H) || defined (_VARARGS_H)
-
- /* In GCC version 2, we want an ellipsis at the end of the declaration
- of the argument list. GCC version 1 can't parse it. */
-
- #if __GNUC__ > 1
- #define __va_ellipsis ...
- #else
- #define __va_ellipsis
- #endif
-
- #ifdef _STDARG_H
- #define va_start(AP, LASTARG) \
- (__builtin_saveregs (), AP = ((char *) __builtin_next_arg ()))
- #else
- #define va_alist __builtin_va_alist
- /* The ... causes current_function_varargs to be set in cc1. */
- #define va_dcl int __builtin_va_alist; __va_ellipsis
-
- #define va_start(AP) \
- (__builtin_saveregs (), (AP) = ((char *) &__builtin_va_alist))
- #endif
-
- #ifndef va_end
- void va_end (__gnuc_va_list); /* Defined in libgcc.a */
- #endif
- #define va_end(pvar)
-
- #define __va_rounded_size(TYPE) \
- (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
-
- /* Avoid errors if compiling GCC v2 with GCC v1. */
- #if __GNUC__ == 1
- #define __extension__
- #endif
-
- /* RECORD_TYPE args passed using the C calling convention are
- passed by invisible reference. ??? RECORD_TYPE args passed
- in the stack are made to be word-aligned; for an aggregate that is
- not word-aligned, we advance the pointer to the first non-reg slot. */
- /* We don't declare the union member `d' to have type TYPE
- because that would lose in C++ if TYPE has a constructor. */
- /* We cast to void * and then to TYPE * because this avoids
- a warning about increasing the alignment requirement. */
- #define va_arg(pvar,TYPE) \
- __extension__ \
- ({ TYPE __va_temp; \
- ((__builtin_classify_type (__va_temp) >= 12) \
- ? ((pvar) += __va_rounded_size (TYPE *), \
- **(TYPE **) (void *) ((pvar) - __va_rounded_size (TYPE *))) \
- : __va_rounded_size (TYPE) == 8 \
- ? ({ union {char __d[sizeof (TYPE)]; int __i[2];} __u; \
- __u.__i[0] = ((int *) (void *) (pvar))[0]; \
- __u.__i[1] = ((int *) (void *) (pvar))[1]; \
- (pvar) += 8; \
- *(TYPE *) (void *) __u.__d; }) \
- : ((pvar) += __va_rounded_size (TYPE), \
- *((TYPE *) (void *) ((pvar) - __va_rounded_size (TYPE)))));})
-
- #endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
-
-