gdbserver: turn target op 'get_tib_address' into a method

gdbserver/ChangeLog:
2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn process_stratum_target's get_tib_address op into a method of
	process_target.

	* target.h (struct process_stratum_target): Remove the target op.
	(class process_target): Add the target op.  Also add
	'supports_get_tib_address'.
	* target.cc (process_target::get_tib_address): Define.
	(process_target::supports_get_tib_address): Define.

	Update the derived classes and callers below.

	* server.cc (handle_query): Update.
	* linux-low.cc (win32_target_ops): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	* nto-low.cc (nto_target_ops): Update.
	* win32-low.cc (win32_target_ops): Update.
	(win32_process_target::supports_get_tib_address): Define.
	(win32_get_tib_address): Turn into ...
	(win32_process_target::get_tib_address): ... this.
	* win32-low.h (class win32_process_target): Update.

1 files changed, 12 insertions, 0 deletions

diff --git a/gdbserver/target.cc b/gdbserver/target.cc
index b44170a..680adda 100644
--- a/gdbserver/target.cc
+++ b/gdbserver/target.cc
@@ -638,3 +638,15 @@ process_target::thread_stopped (thread_info *thread)
 {
   gdb_assert_not_reached ("target op thread_stopped not supported");
 }
+
+bool
+process_target::supports_get_tib_address ()
+{
+  return false;
+}
+
+int
+process_target::get_tib_address (ptid_t ptid, CORE_ADDR *address)
+{
+  gdb_assert_not_reached ("target op get_tib_address not supported");
+}