gdbserver: turn target op 'look_up_symbols' into a method

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

	Turn process_stratum_target's look_up_symbols 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::look_up_symbols): Define.

	Update the derived classes and callers below.

	* server.cc (handle_query): Update.
	* linux-low.cc (linux_target_ops): Update.
	(linux_look_up_symbols): Turn into ...
	(linux_process_target::look_up_symbols): ... 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, 6 insertions, 8 deletions

diff --git a/gdbserver/target.h b/gdbserver/target.h
index ead4a61..7f37a90 100644
--- a/gdbserver/target.h
+++ b/gdbserver/target.h
@@ -70,14 +70,6 @@ class process_target;
    shared code.  */
 struct process_stratum_target
 {
-  /* Query GDB for the values of any symbols we're interested in.
-     This function is called whenever we receive a "qSymbols::"
-     query, which corresponds to every time more symbols (might)
-     become available.  NULL if we aren't interested in any
-     symbols.  */
-
-  void (*look_up_symbols) (void);
-
   /* Send an interrupt request to the inferior process,
      however is appropriate.  */
 
@@ -477,6 +469,12 @@ public:
      Returns 0 on success and errno on failure.  */
   virtual int write_memory (CORE_ADDR memaddr, const unsigned char *myaddr,
 			    int len) = 0;
+
+  /* Query GDB for the values of any symbols we're interested in.
+     This function is called whenever we receive a "qSymbols::"
+     query, which corresponds to every time more symbols (might)
+     become available.  */
+  virtual void look_up_symbols ();
 };
 
 extern process_stratum_target *the_target;