1 files changed, 75 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/h8300/sys/ucontext.h b/libc/sysdeps/linux/h8300/sys/ucontext.h
new file mode 100644
index 000000000..ffc9ea024
--- /dev/null
+++ b/libc/sysdeps/linux/h8300/sys/ucontext.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 1997, 1999, 2001 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* H8/300 compliant context switching support.  */
+
+#ifndef _SYS_UCONTEXT_H
+#define _SYS_UCONTEXT_H	1
+
+#include <features.h>
+#include <signal.h>
+
+typedef int greg_t;
+
+/* Number of general registers.  */
+#define NFPREG	8
+
+/* Container for all general registers.  */
+typedef greg_t gregset_t[NFPREG];
+
+#ifdef __USE_GNU
+/* Number of each register is the `gregset_t' array.  */
+enum
+{
+  ER0 = 0,
+#define ER0	ER0
+  ER1 = 1,
+#define ER1	ER1
+  ER2 = 2,
+#define ER2	ER2
+  ER3 = 3,
+#define ER3	ER3
+  ER4 = 4,
+#define ER4	ER4
+  ER5 = 5,
+#define ER5	ER5
+  ER6 = 6,
+#define ER6	ER6
+  ER7 = 7,
+#define ER7	ER7
+};
+#endif
+
+/* Context to describe whole processor state.  */
+typedef struct
+  {
+    gregset_t gregs;
+  } mcontext_t;
+
+/* Userlevel context.  */
+typedef struct ucontext
+  {
+    unsigned long int uc_flags;
+    struct ucontext *uc_link;
+    stack_t uc_stack;
+    mcontext_t uc_mcontext;
+    __sigset_t uc_sigmask;
+  } ucontext_t;
+
+#endif
+