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+/* Copyright (C) 1994, 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include "sysdep.h"
+
+/* Code produced by Sun's C compiler calls this function with two extra
+   arguments which it makes relocatable symbols but seem always to be
+   the constant 96; I have no idea what they are for.  */
+
+#ifndef NO_UNDERSCORES
+#define __builtin_alloca ___builtin_alloca
+#endif
+
+ENTRY (__builtin_alloca)
+	sub %sp, %o0, %sp	/* Push some stack space.  */
+	retl			/* Return; the returned buffer leaves 96 */
+	add %sp, 96, %o0	/* bytes of register save area at the top. */