Merge pull request #30 from camthesaxman/arm_support

Build ARM compiler

1 files changed, 64 insertions, 0 deletions

diff --git a/gcc_arm/ginclude/va-d30v.h b/gcc_arm/ginclude/va-d30v.h
new file mode 100755
index 0000000..ccd3750
--- /dev/null
+++ b/gcc_arm/ginclude/va-d30v.h
@@ -0,0 +1,64 @@
+/* CYGNUS LOCAL entire file/d30v */
+/* GNU C stdarg/varargs support for the D30V */
+
+/* Define __gnuc_va_list.  */
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+typedef struct __va_list_tag {
+  int *__va_arg_ptr;		/* start of the register save area */
+  int __va_arg_num;		/* argument number */
+} __va_list[1], __gnuc_va_list[1];
+
+#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.  This depends
+   on the format of the CUMULATIVE_ARGS type.  On the d30v, we use just
+   a single word that is the register number.  */
+
+#define __va_start_common(AP)						\
+__extension__ ({							\
+   (AP)->__va_arg_ptr = (int *) __builtin_saveregs ();			\
+   (AP)->__va_arg_num = __builtin_args_info (0) - 2 /* first arg # */;	\
+   (void)0;								\
+})
+
+#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) \
+  (__builtin_next_arg (LASTARG), __va_start_common (AP))
+
+#else /* varargs.h support */
+
+#define va_start(AP) __va_start_common (AP)
+#define va_alist __builtin_va_alist
+#define va_dcl register int va_alist; ...
+
+#endif /* _STDARG_H */
+
+/* Nothing needs to be done to end varargs/stdarg processing */
+#define va_end(AP) ((void)0)
+
+#define va_arg(AP,TYPE)							\
+__extension__ (*({							\
+  register TYPE *__ptr;							\
+									\
+  if (sizeof (TYPE) > 4 && ((AP)->__va_arg_num & 1) != 0)		\
+    (AP)->__va_arg_num++;						\
+									\
+  __ptr = (TYPE *)(((char *)(void *)					\
+		    ((AP)->__va_arg_ptr + (AP)->__va_arg_num)));	\
+									\
+  if (sizeof (TYPE) < 4)						\
+    __ptr = (void*)__ptr + 4 - sizeof (TYPE);				\
+  (AP)->__va_arg_num += (sizeof (TYPE) + 3) / 4;			\
+  __ptr;								\
+}))
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
+/* END CYGNUS LOCAL */