Move test_target_ops to a separate file

There's no need to have all target.h users seeing this type.

Also helps with a follow up patch.

gdb/ChangeLog:
2018-11-30  Pedro Alves  <palves@redhat.com>

	* Makefile.in (COMMON_SFILES): Add test-target.c.
	* gdbarch-selftests.c: Include "test-target.h".
	* regcache.c: Include "test-target.h".
	* target.c (test_target_info, test_target_ops::info): Move to ...
	* test-target.c: ... this new file.
	* target.h (test_target_ops): Move to ...
	* test-target.h: ... this new file.

1 files changed, 39 insertions, 0 deletions

diff --git a/gdb/test-target.c b/gdb/test-target.c
new file mode 100644
index 00000000000..3d3c9503250
--- /dev/null
+++ b/gdb/test-target.c
@@ -0,0 +1,39 @@
+/* A mock process_stratum target_ops
+
+   Copyright (C) 2017-2018 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "defs.h"
+#include "test-target.h"
+
+#if GDB_SELF_TEST
+namespace selftests {
+
+static const target_info test_target_info = {
+  "test",
+  N_("unit tests target"),
+  N_("You should never see this"),
+};
+
+const target_info &
+test_target_ops::info () const
+{
+  return test_target_info;
+}
+
+} /* namespace selftests */
+#endif /* GDB_SELF_TEST */