sparc64: add basic support

No NPTL, no LDSO support.
Bootup with Busybox Ash in Qemu working.
Testuite shows only two failures, but mksh continue/break
support doesn't work.

1 files changed, 40 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/sparc64/bits/mathdef.h b/libc/sysdeps/linux/sparc64/bits/mathdef.h
new file mode 100644
index 000000000..921a2bce5
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/bits/mathdef.h
@@ -0,0 +1,40 @@
+/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006
+   Free Software Foundation, Inc.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#if !defined _MATH_H && !defined _COMPLEX_H
+# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
+#endif
+
+/* FIXME! This file describes properties of the compiler, not the machine;
+   it should not be part of libc!  */
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF	1
+
+/* SPARC has both `float' and `double' arithmetic.  */
+typedef float float_t;
+typedef double double_t;
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+# define FP_ILOGB0       (-2147483647)
+# define FP_ILOGBNAN     (2147483647)
+
+#endif	/* ISO C99 */
+
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
+# define __NO_LONG_DOUBLE_MATH	1
+#endif