3 files changed, 97 insertions, 0 deletions
diff --git a/sysdeps/m68k/bits/endian.h b/sysdeps/m68k/bits/endian.h
new file mode 100644
index 0000000000..6f985293f2
--- /dev/null
+++ b/sysdeps/m68k/bits/endian.h
@@ -0,0 +1,3 @@
+/* m68k is big-endian.  */
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/sysdeps/m68k/bits/huge_val.h b/sysdeps/m68k/bits/huge_val.h
new file mode 100644
index 0000000000..822b82930b
--- /dev/null
+++ b/sysdeps/m68k/bits/huge_val.h
@@ -0,0 +1,75 @@
+/* `HUGE_VAL' constants for m68k (where it is infinity).
+   Used by <stdlib.h> and <math.h> functions for overflow.
+   Copyright (C) 1992, 1995, 1996, 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.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+
+#include <features.h>
+#include <sys/cdefs.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity).  */
+
+#ifdef	__GNUC__
+
+# define HUGE_VAL					\
+  (__extension__					\
+   ((union { unsigned long long __l; double __d; })	\
+    { __l: 0x7ff0000000000000ULL }).__d)
+
+#else /* not GCC */
+
+static union { unsigned char __c[8]; double __d; } __huge_val =
+  { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
+# define HUGE_VAL	(__huge_val.__d)
+
+#endif	/* GCC.  */
+
+
+/* ISO C 9X extensions: (float) HUGE_VALF and (long double) HUGE_VALL.  */
+
+#ifdef __USE_ISOC9X
+
+# ifdef __GNUC__
+
+#  define HUGE_VALF					\
+  (__extension__					\
+   ((union { unsigned long __l; float __f; })		\
+    { __l: 0x7f800000UL }).__f)
+
+#  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[4]; float __f; } __huge_valf =
+  { { 0x7f, 0x80, 0, 0 } };
+#  define HUGE_VALF	(__huge_valf.__f)
+
+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.  */
+
+#endif	/* __USE_ISOC9X.  */
diff --git a/sysdeps/m68k/bits/setjmp.h b/sysdeps/m68k/bits/setjmp.h
new file mode 100644
index 0000000000..96240f0d8e
--- /dev/null
+++ b/sysdeps/m68k/bits/setjmp.h
@@ -0,0 +1,19 @@
+/* Define the machine-dependent type `jmp_buf'.  m68k version.  */
+
+typedef struct
+  {
+    /* There are eight 4-byte data registers, but D0 is not saved.  */
+    long int __dregs[7];
+
+    /* There are six 4-byte address registers, plus the FP and SP.  */
+    int *__aregs[6];
+    int * __fp;
+    int * __sp;
+
+#if defined(__HAVE_68881__) || defined(__HAVE_FPU__)
+    /* There are eight floating point registers which
+       are saved in IEEE 96-bit extended format.  */
+    char __fpregs[8 * (96 / 8)];
+#endif
+
+  } __jmp_buf[1];