gdbserver: turn target op 'kill' into a method

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

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

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

	Update the derived classes and callers below.

	* target.cc (kill_inferior): Update.
	* linux-low.cc (linux_target_ops): Update.
	(linux_kill): Turn into ...
	(linux_process_target::kill): ... this.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	(lynx_kill): Turn into ...
	(lynx_process_target::kill): ... this.
	* lynx-low.h (class lynx_process_target): Update.
	* nto-low.cc (nto_target_ops): Update.
	(nto_kill): Turn into ...
	(nto_process_target::kill): ... this.
	* nto-low.h (class nto_process_target): Update.
	* win32-low.cc (win32_target_ops): Update.
	(win32_kill): Turn into ...
	(win32_process_target::kill): ... this.
	* win32-low.h (class win32_process_target): Update.

11 files changed, 48 insertions, 17 deletions

diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog
index 97acb6b..da55b38 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 kill op into a method of
+	process_target.
+
+	* target.h (struct process_stratum_target): Remove the target op.
+	(class process_target): Add the target op.
+
+	Update the derived classes and callers below.
+
+	* target.cc (kill_inferior): Update.
+	* linux-low.cc (linux_target_ops): Update.
+	(linux_kill): Turn into ...
+	(linux_process_target::kill): ... this.
+	* linux-low.h (class linux_process_target): Update.
+	* lynx-low.cc (lynx_target_ops): Update.
+	(lynx_kill): Turn into ...
+	(lynx_process_target::kill): ... this.
+	* lynx-low.h (class lynx_process_target): Update.
+	* nto-low.cc (nto_target_ops): Update.
+	(nto_kill): Turn into ...
+	(nto_process_target::kill): ... this.
+	* nto-low.h (class nto_process_target): Update.
+	* win32-low.cc (win32_target_ops): Update.
+	(win32_kill): Turn into ...
+	(win32_process_target::kill): ... 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 attach op into a method of
 	process_target.
 
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index aae2930..4510e3a 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -1386,8 +1386,8 @@ kill_one_lwp_callback (thread_info *thread, int pid)
   kill_wait_lwp (lwp);
 }
 
-static int
-linux_kill (process_info *process)
+int
+linux_process_target::kill (process_info *process)
 {
   int pid = process->pid;
 
@@ -7359,7 +7359,6 @@ linux_get_hwcap2 (int wordsize)
 static linux_process_target the_linux_target;
 
 static process_stratum_target linux_target_ops = {
-  linux_kill,
   linux_detach,
   linux_mourn,
   linux_join,
diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 5458a9b..4f88011 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -276,6 +276,8 @@ public:
   void post_create_inferior () override;
 
   int attach (unsigned long pid) override;
+
+  int kill (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 60abc75..f6359e8 100644
--- a/gdbserver/lynx-low.cc
+++ b/gdbserver/lynx-low.cc
@@ -521,8 +521,8 @@ lynx_wait (ptid_t ptid, struct target_waitstatus *status, int options)
 
 /* Implement the kill target_ops method.  */
 
-static int
-lynx_kill (process_info *process)
+int
+lynx_process_target::kill (process_info *process)
 {
   ptid_t ptid = lynx_ptid_t (process->pid, 0);
   struct target_waitstatus status;
@@ -726,7 +726,6 @@ static lynx_process_target the_lynx_target;
 /* The LynxOS target_ops vector.  */
 
 static process_stratum_target lynx_target_ops = {
-  lynx_kill,
   lynx_detach,
   lynx_mourn,
   lynx_join,
diff --git a/gdbserver/lynx-low.h b/gdbserver/lynx-low.h
index 142a774..cf357ff 100644
--- a/gdbserver/lynx-low.h
+++ b/gdbserver/lynx-low.h
@@ -62,6 +62,8 @@ public:
 		       const std::vector<char *> &program_args) override;
 
   int attach (unsigned long pid) override;
+
+  int kill (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 77b5fce..15b3dc3 100644
--- a/gdbserver/nto-low.cc
+++ b/gdbserver/nto-low.cc
@@ -396,8 +396,8 @@ nto_process_target::attach (unsigned long pid)
 
 /* Send signal to process PID.  */
 
-static int
-nto_kill (process_info *proc)
+int
+nto_process_target::kill (process_info *proc)
 {
   int pid = proc->pid;
 
@@ -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_kill,
   nto_detach,
   nto_mourn,
   NULL, /* nto_join */
diff --git a/gdbserver/nto-low.h b/gdbserver/nto-low.h
index f6faacb..5564dda 100644
--- a/gdbserver/nto-low.h
+++ b/gdbserver/nto-low.h
@@ -52,6 +52,8 @@ public:
 		       const std::vector<char *> &program_args) override;
 
   int attach (unsigned long pid) override;
+
+  int kill (process_info *proc) override;
 };
 
 /* The inferior's target description.  This is a global because the
diff --git a/gdbserver/target.cc b/gdbserver/target.cc
index 81092e8..a9632aa 100644
--- a/gdbserver/target.cc
+++ b/gdbserver/target.cc
@@ -319,7 +319,7 @@ kill_inferior (process_info *proc)
 {
   gdb_agent_about_to_close (proc->pid);
 
-  return (*the_target->kill) (proc);
+  return the_target->pt->kill (proc);
 }
 
 /* Target can do hardware single step.  */
diff --git a/gdbserver/target.h b/gdbserver/target.h
index bd99737..0f3cb35 100644
--- a/gdbserver/target.h
+++ b/gdbserver/target.h
@@ -70,10 +70,6 @@ class process_target;
    shared code.  */
 struct process_stratum_target
 {
-  /* Kill process PROC.  Return -1 on failure, and 0 on success.  */
-
-  int (*kill) (process_info *proc);
-
   /* Detach from process PROC.  Return -1 on failure, and 0 on
      success.  */
 
@@ -488,6 +484,9 @@ public:
      Returns -1 if attaching is unsupported, 0 on success, and calls
      error() otherwise.  */
   virtual int attach (unsigned long pid) = 0;
+
+  /* Kill process PROC.  Return -1 on failure, and 0 on success.  */
+  virtual int kill (process_info *proc) = 0;
 };
 
 extern process_stratum_target *the_target;
diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc
index 0e7c164..a7fb124 100644
--- a/gdbserver/win32-low.cc
+++ b/gdbserver/win32-low.cc
@@ -819,8 +819,8 @@ win32_clear_inferiors (void)
 
 /* Implementation of target_ops::kill.  */
 
-static int
-win32_kill (process_info *process)
+int
+win32_process_target::kill (process_info *process)
 {
   TerminateProcess (current_process_handle, 0);
   for (;;)
@@ -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_kill,
   win32_detach,
   win32_mourn,
   win32_join,
diff --git a/gdbserver/win32-low.h b/gdbserver/win32-low.h
index fd6662d..45a6262 100644
--- a/gdbserver/win32-low.h
+++ b/gdbserver/win32-low.h
@@ -111,6 +111,8 @@ public:
 		       const std::vector<char *> &program_args) override;
 
   int attach (unsigned long pid) override;
+
+  int kill (process_info *proc) override;
 };
 
 /* Retrieve the context for this thread, if not already retrieved.  */