Missing varargs definitions for sparc arch.

gnu/usr.bin/gcc2/arch/sparc/va-sparc.h

@@ -0,0 +1,85 @@
+/* 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)
+
+#ifdef _STDARG_H
+
+#ifdef __GCC_NEW_VARARGS__
+#define va_start(AP, LASTARG)	(AP = (char *) __builtin_saveregs ())
+#else
+#define va_start(AP, LASTARG)					\
+  (__builtin_saveregs (), AP = ((char *) __builtin_next_arg ()))
+#endif
+
+#else
+
+#define va_alist  __builtin_va_alist
+#define va_dcl    int __builtin_va_alist;
+
+#ifdef __GCC_NEW_VARARGS__
+#define va_start(AP)		((AP) = (char *) __builtin_saveregs ())
+#else
+#define va_start(AP) 						\
+ (__builtin_saveregs (), (AP) = ((char *) &__builtin_va_alist))
+#endif
+
+#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.
+   The casts to char * avoid warnings about invalid pointer arithmetic.  */
+#define va_arg(pvar,TYPE)					\
+__extension__							\
+({ TYPE __va_temp;						\
+   ((__builtin_classify_type (__va_temp) >= 12)			\
+    ? ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE *),	\
+       **(TYPE **) (void *) ((char *)(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) = (char *)(pvar) + 8;				\
+	 *(TYPE *) (void *) __u.__d; })				\
+    : ((pvar) = (char *)(pvar) + __va_rounded_size (TYPE),	\
+       *((TYPE *) (void *) ((char *)(pvar) - __va_rounded_size (TYPE)))));})
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
+