gdbserver/linux-low: turn process/thread addition/deletion ops into methods

gdbserver/ChangeLog:
2020-04-02  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn the 'new_process', 'delete_process', 'new_thread',
	'delete_thread', and 'new_fork' linux target ops into methods
	of linux_process_target.

	* linux-low.h (struct linux_target_ops): Remove the ops.
	(class linux_process_target) <add_linux_process>
	<add_lwp>
	<delete_lwp>
	<attach_lwp>
	<detach_one_lwp>
	<check_zombie_leaders>
	<filter_exit_event>
	<low_new_process>
	<low_delete_process>
	<low_new_thread>
	<low_delete_thread>
	<low_new_fork>: Declare.
	* linux-low.cc (delete_lwp): Turn into...
	(linux_process_target::delete_lwp): ...this.
	(linux_process_target::low_delete_thread): Define.
	(linux_add_process): Turn into...
	(linux_process_target::add_linux_process): ...this.
	(linux_process_target::low_new_process): Define.
	(linux_process_target::low_delete_process): Define.
	(linux_process_target::low_new_fork): Define.
	(add_lwp): Turn into...
	(linux_process_target::add_lwp): ...this.
	(linux_process_target::low_new_thread): Define.
	(linux_attach_lwp): Turn into...
	(linux_process_target::attach_lwp): ...this.
	(linux_detach_one_lwp): Turn into...
	(linux_process_target::detach_one_lwp): ...this.
	(linux_detach_lwp_callback): Remove and inline...
	(linux_process_target::detach): ...here.
	(check_zombie_leaders): Turn into...
	(linux_process_target::check_zombie_leaders): ...this.
	(filter_exit_event): Turn into...
	(linux_process_target::filter_exit_event): ...this.

	Update the callers below.

	(linux_process_target::handle_extended_wait)
	(linux_process_target::create_inferior)
	(attach_proc_task_lwp_callback)
	(linux_process_target::attach)
	(linux_process_target::detach)
	(linux_process_target::mourn)
	* thread-db.cc (attach_thread)

	* linux-x86-low.cc (class x86_target) <low_new_process>
	<low_delete_process>
	<low_new_thread>
	<low_delete_thread>
	<low_new_fork>: Declare.
	(x86_linux_new_process): Turn into...
	(x86_target::low_new_process): ...this.
	(x86_linux_delete_process): Turn into...
	(x86_target::low_delete_process): ...this.
	(x86_target::low_new_thread): Define.
	(x86_target::low_delete_thread): Define.
	(x86_linux_new_fork): Turn into...
	(x86_target::low_new_fork): ...this.
	(the_low_target): Remove the op fields.
	* linux-aarch64-low.cc (class aarch64_target) <low_new_process>
	<low_delete_process>
	<low_new_thread>
	<low_delete_thread>
	<low_new_fork>: Declare.
	(aarch64_linux_new_process): Turn into...
	(aarch64_target::low_new_process): ...this.
	(aarch64_linux_delete_process): Turn into...
	(aarch64_target::low_delete_process): ...this.
	(aarch64_target::low_new_thread): Define.
	(aarch64_target::low_delete_thread): Define.
	(aarch64_linux_new_fork): Turn into...
	(aarch64_target::low_new_fork): ...this.
	(the_low_target): Remove the op fields.
	* linux-arm-low.cc (class arm_target) <low_new_process>
	<low_delete_process>
	<low_new_thread>
	<low_delete_thread>
	<low_new_fork>: Declare.
	(arm_new_process): Turn into...
	(arm_target::low_new_process): ...this.
	(arm_delete_process): Turn into...
	(arm_target::low_delete_process): ...this.
	(arm_new_thread): Turn into...
	(arm_target::low_new_thread): ...this.
	(arm_delete_thread): Turn into...
	(arm_target::low_delete_thread): ...this.
	(arm_new_fork): Turn into...
	(arm_target::low_new_fork): ...this.
	(the_low_target): Remove the op fields.
	* linux-mips-low.cc (class mips_target) <low_new_process>
	<low_delete_process>
	<low_new_thread>
	<low_delete_thread>
	<low_new_fork>: Declare.
	(mips_linux_new_process): Turn into...
	(mips_target::low_new_process): ...this.
	(mips_linux_delete_process): Turn into...
	(mips_target::low_delete_process): ...this.
	(mips_linux_new_thread): Turn into...
	(mips_target::low_new_thread): ...this.
	(mips_linux_delete_thread): Turn into...
	(mips_target::low_delete_thread): ...this.
	(mips_linux_new_fork): Turn into...
	(mips_target::low_new_fork): ...this.
	(the_low_target): Remove the op fields.
	* linux-bfin-low.cc (the_low_target): Remove the op fields.
	* linux-crisv32-low.cc (the_low_target): Ditto.
	* linux-m32r-low.cc (the_low_target): Ditto.
	* linux-m68k-low.cc (the_low_target): Ditto.
	* linux-ppc-low.cc (the_low_target): Ditto.
	* linux-s390-low.cc (the_low_target): Ditto.
	* linux-sh-low.cc (the_low_target): Ditto.
	* linux-tic6x-low.cc (the_low_target): Ditto.
	* linux-tile-low.cc (the_low_target): Ditto.
	* linux-xtensa-low.cc (the_low_target): Ditto.

1 files changed, 26 insertions, 21 deletions

diff --git a/gdbserver/linux-mips-low.cc b/gdbserver/linux-mips-low.cc
index b7098a7..c77834e 100644
--- a/gdbserver/linux-mips-low.cc
+++ b/gdbserver/linux-mips-low.cc
@@ -70,6 +70,16 @@ protected:
 
   void low_supply_ptrace_register (regcache *regcache, int regno,
 				   const char *buf) override;
+
+  arch_process_info *low_new_process () override;
+
+  void low_delete_process (arch_process_info *info) override;
+
+  void low_new_thread (lwp_info *) override;
+
+  void low_delete_thread (arch_lwp_info *) override;
+
+  void low_new_fork (process_info *parent, process_info *child) override;
 };
 
 /* The singleton target ops object.  */
@@ -377,32 +387,32 @@ update_watch_registers_callback (thread_info *thread)
     linux_stop_lwp (lwp);
 }
 
-/* This is the implementation of linux_target_ops method
-   new_process.  */
+/* This is the implementation of linux target ops method
+   low_new_process.  */
 
-static struct arch_process_info *
-mips_linux_new_process (void)
+arch_process_info *
+mips_target::low_new_process ()
 {
   struct arch_process_info *info = XCNEW (struct arch_process_info);
 
   return info;
 }
 
-/* This is the implementation of linux_target_ops method
-   delete_process.  */
+/* This is the implementation of linux target ops method
+   low_delete_process.  */
 
-static void
-mips_linux_delete_process (struct arch_process_info *info)
+void
+mips_target::low_delete_process (arch_process_info *info)
 {
   xfree (info);
 }
 
-/* This is the implementation of linux_target_ops method new_thread.
+/* This is the implementation of linux target ops method low_new_thread.
    Mark the watch registers as changed, so the threads' copies will
    be updated.  */
 
-static void
-mips_linux_new_thread (struct lwp_info *lwp)
+void
+mips_target::low_new_thread (lwp_info *lwp)
 {
   struct arch_lwp_info *info = XCNEW (struct arch_lwp_info);
 
@@ -413,8 +423,8 @@ mips_linux_new_thread (struct lwp_info *lwp)
 
 /* Function to call when a thread is being deleted.  */
 
-static void
-mips_linux_delete_thread (struct arch_lwp_info *arch_lwp)
+void
+mips_target::low_delete_thread (arch_lwp_info *arch_lwp)
 {
   xfree (arch_lwp);
 }
@@ -442,9 +452,9 @@ mips_add_watchpoint (struct arch_process_info *priv, CORE_ADDR addr, int len,
 
 /* Hook to call when a new fork is attached.  */
 
-static void
-mips_linux_new_fork (struct process_info *parent,
-			struct process_info *child)
+void
+mips_target::low_new_fork (process_info *parent,
+			   process_info *child)
 {
   struct arch_process_info *parent_private;
   struct arch_process_info *child_private;
@@ -986,11 +996,6 @@ mips_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  mips_linux_new_process,
-  mips_linux_delete_process,
-  mips_linux_new_thread,
-  mips_linux_delete_thread,
-  mips_linux_new_fork,
   mips_linux_prepare_to_resume
 };