gdbserver: turn target op 'detach' into a method

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

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

	* target.h (struct process_stratum_target): Remove the target op.
	(class process_target): Add the target op.
	(detach_inferior): Update the macro.

	Update the derived classes and callers below.

	* linux-low.cc (linux_target_ops): Update.
	(linux_detach): Turn into ...
	(linux_process_target::detach): ... this.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	(lynx_detach): Turn into ...
	(lynx_process_target::detach): ... this.
	* lynx-low.h (class lynx_process_target): Update.
	* nto-low.cc (nto_target_ops): Update.
	(nto_detach): Turn into ...
	(nto_process_target::detach): ... this.
	* nto-low.h (class nto_process_target): Update.
	* win32-low.cc (win32_target_ops): Update.
	(win32_detach): Turn into ...
	(win32_process_target::detach): ... this.
	* win32-low.h (class win32_process_target): Update.

10 files changed, 49 insertions, 18 deletions

diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog
index da55b38..ac10f27 100644
--- a/gdbserver/ChangeLog
+++ b/gdbserver/ChangeLog
@@ -1,5 +1,33 @@
 2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>
 
+	Turn process_stratum_target's detach op into a method of
+	process_target.
+
+	* target.h (struct process_stratum_target): Remove the target op.
+	(class process_target): Add the target op.
+	(detach_inferior): Update the macro.
+
+	Update the derived classes and callers below.
+
+	* linux-low.cc (linux_target_ops): Update.
+	(linux_detach): Turn into ...
+	(linux_process_target::detach): ... this.
+	* linux-low.h (class linux_process_target): Update.
+	* lynx-low.cc (lynx_target_ops): Update.
+	(lynx_detach): Turn into ...
+	(lynx_process_target::detach): ... this.
+	* lynx-low.h (class lynx_process_target): Update.
+	* nto-low.cc (nto_target_ops): Update.
+	(nto_detach): Turn into ...
+	(nto_process_target::detach): ... this.
+	* nto-low.h (class nto_process_target): Update.
+	* win32-low.cc (win32_target_ops): Update.
+	(win32_detach): Turn into ...
+	(win32_process_target::detach): ... this.
+	* win32-low.h (class win32_process_target): Update.
+
+2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>
+
 	Turn process_stratum_target's kill op into a method of
 	process_target.
 
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 4510e3a..1feb7d9 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -1603,8 +1603,8 @@ linux_detach_lwp_callback (thread_info *thread)
   linux_detach_one_lwp (lwp);
 }
 
-static int
-linux_detach (process_info *process)
+int
+linux_process_target::detach (process_info *process)
 {
   struct lwp_info *main_lwp;
 
@@ -7359,7 +7359,6 @@ linux_get_hwcap2 (int wordsize)
 static linux_process_target the_linux_target;
 
 static process_stratum_target linux_target_ops = {
-  linux_detach,
   linux_mourn,
   linux_join,
   linux_thread_alive,
diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 4f88011..e8789e9 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -278,6 +278,8 @@ public:
   int attach (unsigned long pid) override;
 
   int kill (process_info *proc) override;
+
+  int detach (process_info *proc) override;
 };
 
 #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))
diff --git a/gdbserver/lynx-low.cc b/gdbserver/lynx-low.cc
index f6359e8..a6eceaf 100644
--- a/gdbserver/lynx-low.cc
+++ b/gdbserver/lynx-low.cc
@@ -535,8 +535,8 @@ lynx_process_target::kill (process_info *process)
 
 /* Implement the detach target_ops method.  */
 
-static int
-lynx_detach (process_info *process)
+int
+lynx_process_target::detach (process_info *process)
 {
   ptid_t ptid = lynx_ptid_t (process->pid, 0);
 
@@ -726,7 +726,6 @@ static lynx_process_target the_lynx_target;
 /* The LynxOS target_ops vector.  */
 
 static process_stratum_target lynx_target_ops = {
-  lynx_detach,
   lynx_mourn,
   lynx_join,
   lynx_thread_alive,
diff --git a/gdbserver/lynx-low.h b/gdbserver/lynx-low.h
index cf357ff..9b8065e 100644
--- a/gdbserver/lynx-low.h
+++ b/gdbserver/lynx-low.h
@@ -64,6 +64,8 @@ public:
   int attach (unsigned long pid) override;
 
   int kill (process_info *proc) override;
+
+  int detach (process_info *proc) override;
 };
 
 /* The inferior's target description.  This is a global because the
diff --git a/gdbserver/nto-low.cc b/gdbserver/nto-low.cc
index 15b3dc3..ceff0d4 100644
--- a/gdbserver/nto-low.cc
+++ b/gdbserver/nto-low.cc
@@ -409,8 +409,8 @@ nto_process_target::kill (process_info *proc)
 
 /* Detach from process PID.  */
 
-static int
-nto_detach (process_info *proc)
+int
+nto_process_target::detach (process_info *proc)
 {
   TRACE ("%s %d\n", __func__, proc->pid);
   do_detach ();
@@ -935,7 +935,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size)
 static nto_process_target the_nto_target;
 
 static process_stratum_target nto_target_ops = {
-  nto_detach,
   nto_mourn,
   NULL, /* nto_join */
   nto_thread_alive,
diff --git a/gdbserver/nto-low.h b/gdbserver/nto-low.h
index 5564dda..e7e10fc 100644
--- a/gdbserver/nto-low.h
+++ b/gdbserver/nto-low.h
@@ -54,6 +54,8 @@ public:
   int attach (unsigned long pid) override;
 
   int kill (process_info *proc) override;
+
+  int detach (process_info *proc) override;
 };
 
 /* The inferior's target description.  This is a global because the
diff --git a/gdbserver/target.h b/gdbserver/target.h
index 0f3cb35..6c7c286 100644
--- a/gdbserver/target.h
+++ b/gdbserver/target.h
@@ -70,11 +70,6 @@ class process_target;
    shared code.  */
 struct process_stratum_target
 {
-  /* Detach from process PROC.  Return -1 on failure, and 0 on
-     success.  */
-
-  int (*detach) (process_info *proc);
-
   /* The inferior process has died.  Do what is right.  */
 
   void (*mourn) (struct process_info *proc);
@@ -487,6 +482,10 @@ public:
 
   /* Kill process PROC.  Return -1 on failure, and 0 on success.  */
   virtual int kill (process_info *proc) = 0;
+
+  /* Detach from process PROC.  Return -1 on failure, and 0 on
+     success.  */
+  virtual int detach (process_info *proc) = 0;
 };
 
 extern process_stratum_target *the_target;
@@ -524,7 +523,7 @@ int kill_inferior (process_info *proc);
     } while (0)
 
 #define detach_inferior(proc) \
-  (*the_target->detach) (proc)
+  the_target->pt->detach (proc)
 
 #define mythread_alive(pid) \
   (*the_target->thread_alive) (pid)
diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc
index a7fb124..9cefb29 100644
--- a/gdbserver/win32-low.cc
+++ b/gdbserver/win32-low.cc
@@ -843,8 +843,8 @@ win32_process_target::kill (process_info *process)
 
 /* Implementation of target_ops::detach.  */
 
-static int
-win32_detach (process_info *process)
+int
+win32_process_target::detach (process_info *process)
 {
   winapi_DebugActiveProcessStop DebugActiveProcessStop = NULL;
   winapi_DebugSetProcessKillOnExit DebugSetProcessKillOnExit = NULL;
@@ -1839,7 +1839,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size)
 static win32_process_target the_win32_target;
 
 static process_stratum_target win32_target_ops = {
-  win32_detach,
   win32_mourn,
   win32_join,
   win32_thread_alive,
diff --git a/gdbserver/win32-low.h b/gdbserver/win32-low.h
index 45a6262..10096b8 100644
--- a/gdbserver/win32-low.h
+++ b/gdbserver/win32-low.h
@@ -113,6 +113,8 @@ public:
   int attach (unsigned long pid) override;
 
   int kill (process_info *proc) override;
+
+  int detach (process_info *proc) override;
 };
 
 /* Retrieve the context for this thread, if not already retrieved.  */