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-rw-r--r--contrib/gcc/ginclude/va-i960.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/contrib/gcc/ginclude/va-i960.h b/contrib/gcc/ginclude/va-i960.h
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+++ b/contrib/gcc/ginclude/va-i960.h
@@ -0,0 +1,76 @@
+/* GNU C varargs support for the Intel 80960. */
+
+/* Define __gnuc_va_list. */
+
+#ifndef __GNUC_VA_LIST
+#define __GNUC_VA_LIST
+/* The first element is the address of the first argument.
+ The second element is the number of bytes skipped past so far. */
+typedef unsigned __gnuc_va_list[2];
+#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
+
+/* The stack size of the type t. */
+#define __vsiz(T) (((sizeof (T) + 3) / 4) * 4)
+/* The stack alignment of the type t. */
+#define __vali(T) (__alignof__ (T) >= 4 ? __alignof__ (T) : 4)
+/* The offset of the next stack argument after one of type t at offset i. */
+#define __vpad(I, T) ((((I) + __vali (T) - 1) / __vali (T)) \
+ * __vali (T) + __vsiz (T))
+
+/* Avoid errors if compiling GCC v2 with GCC v1. */
+#if __GNUC__ == 1
+#define __extension__
+#endif
+
+#ifdef _STDARG_H
+/* Call __builtin_next_arg even though we aren't using its value, so that
+ we can verify that firstarg is correct. */
+#define va_start(AP, LASTARG) \
+__extension__ \
+({ __builtin_next_arg (LASTARG); \
+ __asm__ ("st g14,%0" : "=m" (*(AP))); \
+ (AP)[1] = (__builtin_args_info (0) + __builtin_args_info (1)) * 4; })
+
+#else
+
+#define va_alist __builtin_va_alist
+#define va_dcl char *__builtin_va_alist; __va_ellipsis
+#define va_start(AP) \
+__extension__ \
+({ __asm__ ("st g14,%0" : "=m" (*(AP))); \
+ (AP)[1] = (__builtin_args_info (0) + __builtin_args_info (1)) * 4; })
+#endif
+
+/* We cast to void * and then to TYPE * because this avoids
+ a warning about increasing the alignment requirement. */
+#define va_arg(AP, T) \
+( \
+ ( \
+ ((AP)[1] <= 48 && (__vpad ((AP)[1], T) > 48 || __vsiz (T) > 16)) \
+ ? ((AP)[1] = 48 + __vsiz (T)) \
+ : ((AP)[1] = __vpad ((AP)[1], T)) \
+ ), \
+ \
+ *((T *) (void *) ((char *) *(AP) + (AP)[1] - __vsiz (T))) \
+)
+
+#ifndef va_end
+void va_end (__gnuc_va_list); /* Defined in libgcc.a */
+#endif
+#define va_end(AP) ((void *)0)
+
+#endif /* defined (_STDARG_H) || defined (_VARARGS_H) */
+
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