gdbserver: turn target op 'supports_multi_process' into a method

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

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

	* target.h (struct process_stratum_target): Remove the target op.
	(class process_target): Add the target op.
	* target.cc (process_target::supports_multi_process): Define.
	(target_supports_multi_process): Update.

	Update the derived classes and callers below.

	* linux-low.cc (linux_target_ops): Update.
	(linux_supports_multi_process): Turn into ...
	(linux_process_target::supports_multi_process): ... this.
	* 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, 3 insertions, 3 deletions

diff --git a/gdbserver/target.h b/gdbserver/target.h
index d3ee4452b63..52c80b848d0 100644
--- a/gdbserver/target.h
+++ b/gdbserver/target.h
@@ -70,9 +70,6 @@ class process_target;
    shared code.  */
 struct process_stratum_target
 {
-  /* Returns true if the target supports multi-process debugging.  */
-  int (*supports_multi_process) (void);
-
   /* Returns true if fork events are supported.  */
   int (*supports_fork_events) (void);
 
@@ -486,6 +483,9 @@ public:
   /* Switch to non-stop (ENABLE == true) or all-stop (ENABLE == false)
      mode.  Return 0 on success, -1 otherwise.  */
   virtual int start_non_stop (bool enable);
+
+  /* Returns true if the target supports multi-process debugging.  */
+  virtual bool supports_multi_process ();
 };
 
 extern process_stratum_target *the_target;