Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@13761 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 86 insertions, 0 deletions

diff --git a/gcc/ginclude/va-m32r.h b/gcc/ginclude/va-m32r.h
new file mode 100644
index 00000000000..4ef0ad8267a
--- /dev/null
+++ b/gcc/ginclude/va-m32r.h
@@ -0,0 +1,86 @@
+/* GNU C stdarg/varargs support for the M32R */
+
+/* Define __gnuc_va_list.  */
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef void *__gnuc_va_list;
+#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)
+
+/* Common code for va_start for both varargs and stdarg.  */
+
+#define __va_rounded_size(TYPE)  \
+  (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
+
+#ifdef _STDARG_H /* stdarg.h support */
+
+/* Calling __builtin_next_arg gives the proper error message if LASTARG is
+   not indeed the last argument.  */
+#define va_start(AP, LASTARG) 						\
+ (AP = ((__gnuc_va_list) __builtin_next_arg (LASTARG)))
+
+#else /* varargs.h support */
+
+#define va_alist  __builtin_va_alist
+/* The ... causes current_function_varargs to be set in cc1.  */
+#define va_dcl    int __builtin_va_alist; ...
+#define va_start(AP)  AP=(char *) &__builtin_va_alist
+
+#endif /* _STDARG_H */
+
+/* Nothing needs to be done to end varargs/stdarg processing */
+#define va_end(AP) ((void) 0)
+
+/* Values returned by __builtin_classify_type.  */
+enum __type_class
+{
+  __no_type_class = -1,
+  __void_type_class,
+  __integer_type_class,
+  __char_type_class,
+  __enumeral_type_class,
+  __boolean_type_class,
+  __pointer_type_class,
+  __reference_type_class,
+  __offset_type_class,
+  __real_type_class,
+  __complex_type_class,
+  __function_type_class,
+  __method_type_class,
+  __record_type_class,
+  __union_type_class,
+  __array_type_class,
+  __string_type_class,
+  __set_type_class,
+  __file_type_class,
+  __lang_type_class
+};
+
+/* Return whether a type is passed by reference.  */
+#define __va_by_reference_p(TYPE) (sizeof (TYPE) > 8)
+
+#define va_arg(AP,TYPE)							\
+__extension__ (*({							\
+  register TYPE *__ptr;							\
+									\
+  if (__va_by_reference_p (TYPE))					\
+    {									\
+      __ptr = *(TYPE **)(void *) (AP);					\
+      (AP) = (__gnuc_va_list) ((char *) (AP) + sizeof (void *));	\
+    }									\
+  else									\
+    {									\
+      __ptr = (TYPE *)(void *)						\
+        ((char *) (AP) + (sizeof (TYPE) < __va_rounded_size (char)	\
+			  ? __va_rounded_size (TYPE) - sizeof (TYPE)	\
+			  : 0));					\
+      (AP) = (__gnuc_va_list) ((char *) (AP) + __va_rounded_size (TYPE)); \
+    }									\
+									\
+  __ptr;								\
+}))
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */