[30/58] gdbserver: turn target op 'supports_multi_process' into a method

diff --git a/gdbserver/linux-low.c b/gdbserver/linux-low.c
index a13edfd067b..30c65bf0bfd 100644
--- a/gdbserver/linux-low.c
+++ b/gdbserver/linux-low.c
@@ -6327,10 +6327,10 @@  linux_process_target::start_non_stop (bool nonstop)
   return 0;
 }
 
-static int
-linux_supports_multi_process (void)
+bool
+linux_process_target::supports_multi_process ()
 {
-  return 1;
+  return true;
 }
 
 /* Check if fork events are supported.  */
@@ -7418,7 +7418,6 @@  linux_get_hwcap2 (int wordsize)
 static linux_process_target the_linux_target;
 
 static process_stratum_target linux_target_ops = {
-  linux_supports_multi_process,
   linux_supports_fork_events,
   linux_supports_vfork_events,
   linux_supports_exec_events,
diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 0f1dfa45fba..ed3546f4356 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -366,6 +366,8 @@  public:
   bool async (bool enable) override;
 
   int start_non_stop (bool enable) override;
+
+  bool supports_multi_process () override;
 };
 
 #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))
diff --git a/gdbserver/lynx-low.c b/gdbserver/lynx-low.c
index ad2c2f72a73..11179ce3c4e 100644
--- a/gdbserver/lynx-low.c
+++ b/gdbserver/lynx-low.c
@@ -735,7 +735,6 @@  static lynx_process_target the_lynx_target;
 /* The LynxOS target_ops vector.  */
 
 static process_stratum_target lynx_target_ops = {
-  NULL,  /* supports_multi_process */
   NULL,  /* supports_fork_events */
   NULL,  /* supports_vfork_events */
   NULL,  /* supports_exec_events */
diff --git a/gdbserver/nto-low.c b/gdbserver/nto-low.c
index cbbf67af917..a26c6696104 100644
--- a/gdbserver/nto-low.c
+++ b/gdbserver/nto-low.c
@@ -947,7 +947,6 @@  nto_sw_breakpoint_from_kind (int kind, int *size)
 static nto_process_target the_nto_target;
 
 static process_stratum_target nto_target_ops = {
-  NULL, /* supports_multi_process */
   NULL, /* supports_fork_events */
   NULL, /* supports_vfork_events */
   NULL, /* supports_exec_events */
diff --git a/gdbserver/target.c b/gdbserver/target.c
index 33e31a748ef..485eecbee91 100644
--- a/gdbserver/target.c
+++ b/gdbserver/target.c
@@ -260,8 +260,7 @@  target_continue (ptid_t ptid, enum gdb_signal signal)
 int
 target_supports_multi_process (void)
 {
-  return (the_target->supports_multi_process != NULL ?
-	  (*the_target->supports_multi_process) () : 0);
+  return the_target->pt->supports_multi_process ();
 }
 
 void
@@ -548,3 +547,9 @@  process_target::start_non_stop (bool enable)
   else
     return 0;
 }
+
+bool
+process_target::supports_multi_process ()
+{
+  return false;
+}
diff --git a/gdbserver/target.h b/gdbserver/target.h
index 88b4762a30c..b9e36af456f 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;
diff --git a/gdbserver/win32-low.c b/gdbserver/win32-low.c
index 15431047814..8d6fba16240 100644
--- a/gdbserver/win32-low.c
+++ b/gdbserver/win32-low.c
@@ -1842,7 +1842,6 @@  win32_sw_breakpoint_from_kind (int kind, int *size)
 static win32_process_target the_win32_target;
 
 static process_stratum_target win32_target_ops = {
-  NULL, /* supports_multi_process */
   NULL, /* supports_fork_events */
   NULL, /* supports_vfork_events */
   NULL, /* supports_exec_events */