gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / target-delegates.c

diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index 14206c1375f99e2245830e38c64fa1acd64d142a..4586fc7c262fc1e53f065eddf729389135ffafe9 100644 (file)
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -171,6 +171,7 @@ struct dummy_target : public target_ops
   const struct frame_unwind *get_tailcall_unwinder () override;
   void prepare_to_generate_core () override;
   void done_generating_core () override;
+  bool supports_displaced_step (thread_info *arg0) override;
   displaced_step_prepare_status displaced_step_prepare (thread_info *arg0) override;
   displaced_step_finish_status displaced_step_finish (thread_info *arg0, gdb_signal arg1) override;
 };
@@ -342,6 +343,7 @@ struct debug_target : public target_ops
   const struct frame_unwind *get_tailcall_unwinder () override;
   void prepare_to_generate_core () override;
   void done_generating_core () override;
+  bool supports_displaced_step (thread_info *arg0) override;
   displaced_step_prepare_status displaced_step_prepare (thread_info *arg0) override;
   displaced_step_finish_status displaced_step_finish (thread_info *arg0, gdb_signal arg1) override;
 };
@@ -4367,6 +4369,32 @@ debug_target::done_generating_core ()
   fputs_unfiltered (")\n", gdb_stdlog);
 }
 
+bool
+target_ops::supports_displaced_step (thread_info *arg0)
+{
+  return this->beneath ()->supports_displaced_step (arg0);
+}
+
+bool
+dummy_target::supports_displaced_step (thread_info *arg0)
+{
+  return default_supports_displaced_step (this, arg0);
+}
+
+bool
+debug_target::supports_displaced_step (thread_info *arg0)
+{
+  bool result;
+  fprintf_unfiltered (gdb_stdlog, "-> %s->supports_displaced_step (...)\n", this->beneath ()->shortname ());
+  result = this->beneath ()->supports_displaced_step (arg0);
+  fprintf_unfiltered (gdb_stdlog, "<- %s->supports_displaced_step (", this->beneath ()->shortname ());
+  target_debug_print_thread_info_p (arg0);
+  fputs_unfiltered (") = ", gdb_stdlog);
+  target_debug_print_bool (result);
+  fputs_unfiltered ("\n", gdb_stdlog);
+  return result;
+}
+
 displaced_step_prepare_status
 target_ops::displaced_step_prepare (thread_info *arg0)
 {