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[external/binutils.git] / gdb / remote-sim.c

diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c
index 025dfcb..2acfc71 100644 (file)
--- a/gdb/remote-sim.c
+++ b/gdb/remote-sim.c
@@ -1,6 +1,6 @@
 /* Generic remote debugging interface for simulators.
 
-   Copyright (C) 1993-2018 Free Software Foundation, Inc.
+   Copyright (C) 1993-2019 Free Software Foundation, Inc.
 
    Contributed by Cygnus Support.
    Steve Chamberlain (sac@cygnus.com).
@@ -31,6 +31,7 @@
 #include <setjmp.h>
 #include "terminal.h"
 #include "target.h"
+#include "process-stratum-target.h"
 #include "gdbcore.h"
 #include "gdb/callback.h"
 #include "gdb/remote-sim.h"
@@ -82,10 +83,9 @@ static const target_info gdbsim_target_info = {
 };
 
 struct gdbsim_target final
-  : public memory_breakpoint_target<target_ops>
+  : public memory_breakpoint_target<process_stratum_target>
 {
-  gdbsim_target ()
-  { to_stratum = process_stratum; }
+  gdbsim_target () = default;
 
   const target_info &info () const override
   { return gdbsim_target_info; }
@@ -128,15 +128,6 @@ struct gdbsim_target final
 
   bool has_all_memory ()  override;
   bool has_memory ()  override;
-
-  bool has_stack ()  override
-  { return default_child_has_stack (); }
-
-  bool has_registers ()  override
-  { return default_child_has_registers (); }
-
-  bool has_execution (ptid_t ptid) override
-  { return default_child_has_execution (ptid); }
 };
 
 static struct gdbsim_target gdbsim_ops;
@@ -377,9 +368,6 @@ end_callbacks (void)
 static int
 gdb_os_write_stdout (host_callback *p, const char *buf, int len)
 {
-  int i;
-  char b[2];
-
   ui_file_write (gdb_stdtarg, buf, len);
   return len;
 }
@@ -660,7 +648,7 @@ gdbsim_target::create_inferior (const char *exec_file,
                        (exec_file ? exec_file : "(NULL)"),
                        args);
 
-  if (ptid_equal (inferior_ptid, sim_data->remote_sim_ptid))
+  if (inferior_ptid == sim_data->remote_sim_ptid)
     kill ();
   remove_breakpoints ();
   init_wait_for_inferior ();
@@ -677,9 +665,6 @@ gdbsim_target::create_inferior (const char *exec_file,
       built_argv.reset (arg_buf);
     }
 
-  if (!have_inferiors ())
-    init_thread_list ();
-
   if (sim_create_inferior (sim_data->gdbsim_desc, exec_bfd,
                           built_argv.get (), env)
       != SIM_RC_OK)
@@ -834,9 +819,6 @@ gdbsim_close_inferior (struct inferior *inf, void *arg)
 void
 gdbsim_target::close ()
 {
-  struct sim_inferior_data *sim_data
-    = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
-
   if (remote_debug)
     fprintf_unfiltered (gdb_stdlog, "gdbsim_close\n");
 
@@ -925,7 +907,7 @@ gdbsim_target::resume (ptid_t ptid, int step, enum gdb_signal siggnal)
 
   if (sim_data)
     gdbsim_resume_inferior (find_inferior_ptid (ptid), &rd);
-  else if (ptid_equal (ptid, minus_one_ptid))
+  else if (ptid == minus_one_ptid)
     iterate_over_inferiors (gdbsim_resume_inferior, &rd);
   else
     error (_("The program is not being run."));
@@ -1001,7 +983,7 @@ gdbsim_target::wait (ptid_t ptid, struct target_waitstatus *status, int options)
   /* This target isn't able to (yet) resume more than one inferior at a time.
      When ptid is minus_one_ptid, just use the current inferior.  If we're
      given an explicit pid, we'll try to find it and use that instead.  */
-  if (ptid_equal (ptid, minus_one_ptid))
+  if (ptid == minus_one_ptid)
     sim_data = get_sim_inferior_data (current_inferior (),
                                      SIM_INSTANCE_NEEDED);
   else
@@ -1187,9 +1169,6 @@ gdbsim_target::files_info ()
 void
 gdbsim_target::mourn_inferior ()
 {
-  struct sim_inferior_data *sim_data
-    = get_sim_inferior_data (current_inferior (), SIM_INSTANCE_NOT_NEEDED);
-
   if (remote_debug)
     fprintf_unfiltered (gdb_stdlog, "gdbsim_mourn_inferior:\n");
 
@@ -1295,7 +1274,7 @@ gdbsim_target::thread_alive (ptid_t ptid)
   if (sim_data == NULL)
     return false;
 
-  if (ptid_equal (ptid, sim_data->remote_sim_ptid))
+  if (ptid == sim_data->remote_sim_ptid)
     /* The simulators' task is always alive.  */
     return true;