Add xml selftests for aarch64 target description.

gdb/
	* aarch64-tdep.c (_initialize_aarch64_tdep): Add target desc
	selftest.

gdbserver/
	* configure.srv: Add linux-aarch64-tdesc-selftest.o.
	* linux-aarch64-low.c (initialize_low_arch): Call init func.
	* linux-aarch64-tdesc-selftest.c: New file.
	* linux-aarch64-tdesc.h (initialize_low_tdesc): New declaration.

gdb/ChangeLog

@@ -1,3 +1,8 @@
+2017-11-24  Alan Hayward  <alan.hayward@arm.com>
+
+	* aarch64-tdep.c (_initialize_aarch64_tdep): Add target desc
+	selftest.
+
 2017-11-24  Alan Hayward  <alan.hayward@arm.com>
 
 	* aarch64-tdep.c (_initialize_aarch64_tdep): Remove init.

gdb/aarch64-tdep.c

@@ -3069,6 +3069,8 @@ When on, AArch64 specific debugging is enabled."),
 			    selftests::aarch64_analyze_prologue_test);
   selftests::register_test ("aarch64-process-record",
 			    selftests::aarch64_process_record_test);
+  selftests::record_xml_tdesc ("aarch64.xml",
+			       aarch64_create_target_description ());
 #endif
 }
 

gdb/gdbserver/ChangeLog

@@ -1,3 +1,17 @@
+2017-11-24  Alan Hayward  <alan.hayward@arm.com>
+
+	* configure.srv: Add linux-aarch64-tdesc-selftest.o.
+	* linux-aarch64-low.c (initialize_low_arch): Call init func.
+	* linux-aarch64-tdesc-selftest.c: New file.
+	* linux-aarch64-tdesc.h (initialize_low_tdesc): New declaration.
+
+2017-11-24  Alan Hayward  <alan.hayward@arm.com>
+
+	* configure.srv: Add new file.
+	* linux-aarch64-low.c (initialize_low_arch): Call init func.
+	* linux-aarch64-tdesc-selftest.c: New file.
+	* linux-aarch64-tdesc.h (initialize_low_tdesc): New declaration.
+
 2017-11-24  Alan Hayward  <alan.hayward@arm.com>
 
 	* linux-aarch64-ipa.c (initialize_low_tracepoint): Remove init.

gdb/gdbserver/configure.srv

@@ -53,6 +53,7 @@ case "${target}" in
 			srv_regobj="arm-with-neon.o"
 			if $development; then
 			  srv_regobj="${srv_regobj} aarch64.o"
+			  srv_regobj="${srv_regobj} linux-aarch64-tdesc-selftest.o"
                         fi
 			srv_tgtobj="linux-aarch64-low.o aarch64-linux-hw-point.o"
 			srv_tgtobj="$srv_tgtobj linux-aarch32-low.o"

gdb/gdbserver/linux-aarch64-low.c

@@ -2998,4 +2998,8 @@ initialize_low_arch (void)
   initialize_low_arch_aarch32 ();
 
   initialize_regsets_info (&aarch64_regsets_info);
+
+#if GDB_SELF_TEST
+  initialize_low_tdesc ();
+#endif
 }

gdb/gdbserver/linux-aarch64-tdesc-selftest.c

@@ -0,0 +1,45 @@
+/* Copyright (C) 2017 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 "server.h"
+#include "tdesc.h"
+#include "common/selftest.h"
+#include "linux-aarch64-tdesc.h"
+
+/* Defined in auto-generated file features/aarch64.c.  */
+void init_registers_aarch64 (void);
+extern const struct target_desc *tdesc_aarch64;
+
+namespace selftests {
+namespace tdesc {
+static void
+aarch64_tdesc_test ()
+{
+  const target_desc *tdesc = aarch64_linux_read_description ();
+  SELF_CHECK (*tdesc == *tdesc_aarch64);
+}
+}
+} // namespace selftests
+
+void
+initialize_low_tdesc ()
+{
+  init_registers_aarch64 ();
+
+  selftests::register_test ("aarch64-tdesc",
+			    selftests::tdesc::aarch64_tdesc_test);
+}

gdb/gdbserver/linux-aarch64-tdesc.h

@@ -18,3 +18,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 const target_desc * aarch64_linux_read_description ();
+
+#if GDB_SELF_TEST
+void initialize_low_tdesc ();
+#endif