Move m68k from ports to libc

2 files changed, 78 insertions, 0 deletions

diff --git a/sysdeps/m68k/m680x0/bits/huge_vall.h b/sysdeps/m68k/m680x0/bits/huge_vall.h
new file mode 100644
index 0000000..f1a1614
--- /dev/null
+++ b/sysdeps/m68k/m680x0/bits/huge_vall.h
@@ -0,0 +1,41 @@
+/* `HUGE_VALL' constant for m68k (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992-2014 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 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/>.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALL	(__builtin_huge_vall ())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALL	(__extension__ 0x1.0p32767L)
+#elif defined__GNUC__
+
+# define HUGE_VALL					\
+  (__extension__					\
+   ((union { unsigned long __l[3]; long double __ld; })	\
+    { __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
+
+#else /* not GCC */
+
+static union { unsigned char __c[12]; long double __ld; } __huge_vall =
+  { { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
+# define HUGE_VALL	(__huge_vall.__ld)
+
+#endif /* GCC 2.95.  */
diff --git a/sysdeps/m68k/m680x0/bits/mathdef.h b/sysdeps/m68k/m680x0/bits/mathdef.h
new file mode 100644
index 0000000..c13e53b
--- /dev/null
+++ b/sysdeps/m68k/m680x0/bits/mathdef.h
@@ -0,0 +1,37 @@
+/* Copyright (C) 1997-2014 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 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
+
+#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
+# define _MATH_H_MATHDEF	1
+
+/* The m68k FPUs evaluate all values in the 96 bit floating-point format
+   which is also available for the user as `long double'.  Therefore we
+   define: */
+typedef long double float_t;	/* `float' expressions are evaluated as
+				   `long double'.  */
+typedef long double double_t;	/* `double' expressions are evaluated as
+				   `long double'.  */
+
+/* The values returned by `ilogb' for 0 and NaN respectively.  */
+# define FP_ILOGB0	(-2147483647 - 1)
+# define FP_ILOGBNAN	(2147483647)
+
+#endif	/* ISO C99 */