-/* Copyright 2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef WIN32_NAT_H
-#define WIN32_NAT_H
+#ifndef WINDOWS_NAT_H
+#define WINDOWS_NAT_H
-extern void win32_set_context_register_offsets (const int *offsets);
+/* A pointer to a function that should return non-zero iff REGNUM
+ corresponds to one of the segment registers. */
+typedef int (segment_register_p_ftype) (int regnum);
+
+/* segment_register_p_ftype implementation for x86. */
+int i386_windows_segment_register_p (int regnum);
+
+/* context register offests for x86. */
+extern const int i386_mappings[];
+
+#ifdef __x86_64__
+/* segment_register_p_ftype implementation for amd64. */
+int amd64_windows_segment_register_p (int regnum);
+
+/* context register offests for amd64. */
+extern const int amd64_mappings[];
+#endif
#endif