gdbserver: turn target ops 'thread_name' and 'thread_handle' into methods

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

	Turn process_stratum_target's thread_name and thread_handle ops
	into methods of process_target.

	* target.h (struct process_stratum_target): Remove the target ops.
	(class process_target): Add the target ops.
	(target_thread_name): Update the macro.
	(target_thread_handle): Update the macro.
	* target.cc (process_target::thread_name): Define.
	(process_target::thread_handle): Define.

	Update the derived classes and callers below.

	* linux-low.cc (linux_target_ops): Update.
	(linux_process_target::thread_name): Define.
	(linux_process_target::thread_handle): Define.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	* nto-low.cc (nto_target_ops): Update.
	* win32-low.cc (win32_target_ops): Update.

1 files changed, 13 insertions, 0 deletions

diff --git a/gdbserver/target.cc b/gdbserver/target.cc
index 76eef62..b7ed26b 100644
--- a/gdbserver/target.cc
+++ b/gdbserver/target.cc
@@ -801,3 +801,16 @@ process_target::breakpoint_kind_from_current_state (CORE_ADDR *pcptr)
 {
   return breakpoint_kind_from_pc (pcptr);
 }
+
+const char *
+process_target::thread_name (ptid_t thread)
+{
+  return nullptr;
+}
+
+bool
+process_target::thread_handle (ptid_t ptid, gdb_byte **handle,
+			       int *handle_len)
+{
+  return false;
+}