infrun.c:process_event_stop_test: Reindent.

gdb/
2013-10-28  Pedro Alves  <palves@redhat.com>

	* infrun.c (process_event_stop_test): Remove unnecessary scoping
	level and reindent.

1 files changed, 181 insertions, 187 deletions

diff --git a/gdb/infrun.c b/gdb/infrun.c
index cd98534..17612d7 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -4422,235 +4422,229 @@ process_event_stop_test (struct execution_control_state *ecs)
   struct symtab_and_line stop_pc_sal;
   struct frame_info *frame;
   struct gdbarch *gdbarch;
+  CORE_ADDR jmp_buf_pc;
+  struct bpstat_what what;
 
-    {
-      /* Handle cases caused by hitting a breakpoint.  */
-
-      CORE_ADDR jmp_buf_pc;
-      struct bpstat_what what;
+  /* Handle cases caused by hitting a breakpoint.  */
 
-      frame = get_current_frame ();
-      gdbarch = get_frame_arch (frame);
+  frame = get_current_frame ();
+  gdbarch = get_frame_arch (frame);
 
-      what = bpstat_what (ecs->event_thread->control.stop_bpstat);
+  what = bpstat_what (ecs->event_thread->control.stop_bpstat);
 
-      if (what.call_dummy)
-	{
-	  stop_stack_dummy = what.call_dummy;
-	}
+  if (what.call_dummy)
+    {
+      stop_stack_dummy = what.call_dummy;
+    }
 
-      /* If we hit an internal event that triggers symbol changes, the
-	 current frame will be invalidated within bpstat_what (e.g.,
-	 if we hit an internal solib event).  Re-fetch it.  */
-      frame = get_current_frame ();
-      gdbarch = get_frame_arch (frame);
+  /* If we hit an internal event that triggers symbol changes, the
+     current frame will be invalidated within bpstat_what (e.g., if we
+     hit an internal solib event).  Re-fetch it.  */
+  frame = get_current_frame ();
+  gdbarch = get_frame_arch (frame);
 
-      switch (what.main_action)
-	{
-	case BPSTAT_WHAT_SET_LONGJMP_RESUME:
-	  /* If we hit the breakpoint at longjmp while stepping, we
-	     install a momentary breakpoint at the target of the
-	     jmp_buf.  */
+  switch (what.main_action)
+    {
+    case BPSTAT_WHAT_SET_LONGJMP_RESUME:
+      /* If we hit the breakpoint at longjmp while stepping, we
+	 install a momentary breakpoint at the target of the
+	 jmp_buf.  */
 
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog,
-				"infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME\n");
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog,
+			    "infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME\n");
 
-	  ecs->event_thread->stepping_over_breakpoint = 1;
+      ecs->event_thread->stepping_over_breakpoint = 1;
 
-	  if (what.is_longjmp)
+      if (what.is_longjmp)
+	{
+	  struct value *arg_value;
+
+	  /* If we set the longjmp breakpoint via a SystemTap probe,
+	     then use it to extract the arguments.  The destination PC
+	     is the third argument to the probe.  */
+	  arg_value = probe_safe_evaluate_at_pc (frame, 2);
+	  if (arg_value)
+	    jmp_buf_pc = value_as_address (arg_value);
+	  else if (!gdbarch_get_longjmp_target_p (gdbarch)
+		   || !gdbarch_get_longjmp_target (gdbarch,
+						   frame, &jmp_buf_pc))
 	    {
-	      struct value *arg_value;
-
-	      /* If we set the longjmp breakpoint via a SystemTap
-		 probe, then use it to extract the arguments.  The
-		 destination PC is the third argument to the
-		 probe.  */
-	      arg_value = probe_safe_evaluate_at_pc (frame, 2);
-	      if (arg_value)
-		jmp_buf_pc = value_as_address (arg_value);
-	      else if (!gdbarch_get_longjmp_target_p (gdbarch)
-		       || !gdbarch_get_longjmp_target (gdbarch,
-						       frame, &jmp_buf_pc))
-		{
-		  if (debug_infrun)
-		    fprintf_unfiltered (gdb_stdlog,
-					"infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME "
-					"(!gdbarch_get_longjmp_target)\n");
-		  keep_going (ecs);
-		  return;
-		}
-
-	      /* Insert a breakpoint at resume address.  */
-	      insert_longjmp_resume_breakpoint (gdbarch, jmp_buf_pc);
+	      if (debug_infrun)
+		fprintf_unfiltered (gdb_stdlog,
+				    "infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME "
+				    "(!gdbarch_get_longjmp_target)\n");
+	      keep_going (ecs);
+	      return;
 	    }
-	  else
-	    check_exception_resume (ecs, frame);
-	  keep_going (ecs);
-	  return;
-
-	case BPSTAT_WHAT_CLEAR_LONGJMP_RESUME:
-	  {
-	    struct frame_info *init_frame;
 
-	    /* There are several cases to consider.
+	  /* Insert a breakpoint at resume address.  */
+	  insert_longjmp_resume_breakpoint (gdbarch, jmp_buf_pc);
+	}
+      else
+	check_exception_resume (ecs, frame);
+      keep_going (ecs);
+      return;
 
-	       1. The initiating frame no longer exists.  In this case
-	       we must stop, because the exception or longjmp has gone
-	       too far.
+    case BPSTAT_WHAT_CLEAR_LONGJMP_RESUME:
+      {
+	struct frame_info *init_frame;
 
-	       2. The initiating frame exists, and is the same as the
-	       current frame.  We stop, because the exception or
-	       longjmp has been caught.
+	/* There are several cases to consider.
 
-	       3. The initiating frame exists and is different from
-	       the current frame.  This means the exception or longjmp
-	       has been caught beneath the initiating frame, so keep
-	       going.
+	   1. The initiating frame no longer exists.  In this case we
+	   must stop, because the exception or longjmp has gone too
+	   far.
 
-	       4. longjmp breakpoint has been placed just to protect
-	       against stale dummy frames and user is not interested
-	       in stopping around longjmps.  */
+	   2. The initiating frame exists, and is the same as the
+	   current frame.  We stop, because the exception or longjmp
+	   has been caught.
 
-	    if (debug_infrun)
-	      fprintf_unfiltered (gdb_stdlog,
-				  "infrun: BPSTAT_WHAT_CLEAR_LONGJMP_RESUME\n");
+	   3. The initiating frame exists and is different from the
+	   current frame.  This means the exception or longjmp has
+	   been caught beneath the initiating frame, so keep going.
 
-	    gdb_assert (ecs->event_thread->control.exception_resume_breakpoint
-			!= NULL);
-	    delete_exception_resume_breakpoint (ecs->event_thread);
+	   4. longjmp breakpoint has been placed just to protect
+	   against stale dummy frames and user is not interested in
+	   stopping around longjmps.  */
 
-	    if (what.is_longjmp)
-	      {
-		check_longjmp_breakpoint_for_call_dummy (ecs->event_thread->num);
+	if (debug_infrun)
+	  fprintf_unfiltered (gdb_stdlog,
+			      "infrun: BPSTAT_WHAT_CLEAR_LONGJMP_RESUME\n");
 
-		if (!frame_id_p (ecs->event_thread->initiating_frame))
-		  {
-		    /* Case 4.  */
-		    keep_going (ecs);
-		    return;
-		  }
-	      }
+	gdb_assert (ecs->event_thread->control.exception_resume_breakpoint
+		    != NULL);
+	delete_exception_resume_breakpoint (ecs->event_thread);
 
-	    init_frame = frame_find_by_id (ecs->event_thread->initiating_frame);
+	if (what.is_longjmp)
+	  {
+	    check_longjmp_breakpoint_for_call_dummy (ecs->event_thread->num);
 
-	    if (init_frame)
+	    if (!frame_id_p (ecs->event_thread->initiating_frame))
 	      {
-		struct frame_id current_id
-		  = get_frame_id (get_current_frame ());
-		if (frame_id_eq (current_id,
-				 ecs->event_thread->initiating_frame))
-		  {
-		    /* Case 2.  Fall through.  */
-		  }
-		else
-		  {
-		    /* Case 3.  */
-		    keep_going (ecs);
-		    return;
-		  }
+		/* Case 4.  */
+		keep_going (ecs);
+		return;
 	      }
+	  }
 
-	    /* For Cases 1 and 2, remove the step-resume breakpoint,
-	       if it exists.  */
-	    delete_step_resume_breakpoint (ecs->event_thread);
+	init_frame = frame_find_by_id (ecs->event_thread->initiating_frame);
 
-	    ecs->event_thread->control.stop_step = 1;
-	    print_end_stepping_range_reason ();
-	    stop_stepping (ecs);
+	if (init_frame)
+	  {
+	    struct frame_id current_id
+	      = get_frame_id (get_current_frame ());
+	    if (frame_id_eq (current_id,
+			     ecs->event_thread->initiating_frame))
+	      {
+		/* Case 2.  Fall through.  */
+	      }
+	    else
+	      {
+		/* Case 3.  */
+		keep_going (ecs);
+		return;
+	      }
 	  }
-	  return;
-
-	case BPSTAT_WHAT_SINGLE:
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_SINGLE\n");
-	  ecs->event_thread->stepping_over_breakpoint = 1;
-	  /* Still need to check other stuff, at least the case where
-	     we are stepping and step out of the right range.  */
-	  break;
 
-	case BPSTAT_WHAT_STEP_RESUME:
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STEP_RESUME\n");
+	/* For Cases 1 and 2, remove the step-resume breakpoint, if it
+	   exists.  */
+	delete_step_resume_breakpoint (ecs->event_thread);
 
-	  delete_step_resume_breakpoint (ecs->event_thread);
-	  if (ecs->event_thread->control.proceed_to_finish
-	      && execution_direction == EXEC_REVERSE)
-	    {
-	      struct thread_info *tp = ecs->event_thread;
-
-	      /* We are finishing a function in reverse, and just hit
-		 the step-resume breakpoint at the start address of
-		 the function, and we're almost there -- just need to
-		 back up by one more single-step, which should take us
-		 back to the function call.  */
-	      tp->control.step_range_start = tp->control.step_range_end = 1;
-	      keep_going (ecs);
-	      return;
-	    }
-	  fill_in_stop_func (gdbarch, ecs);
-	  if (stop_pc == ecs->stop_func_start
-	      && execution_direction == EXEC_REVERSE)
-	    {
-	      /* We are stepping over a function call in reverse, and
-		 just hit the step-resume breakpoint at the start
-		 address of the function.  Go back to single-stepping,
-		 which should take us back to the function call.  */
-	      ecs->event_thread->stepping_over_breakpoint = 1;
-	      keep_going (ecs);
-	      return;
-	    }
-	  break;
+	ecs->event_thread->control.stop_step = 1;
+	print_end_stepping_range_reason ();
+	stop_stepping (ecs);
+      }
+      return;
 
-	case BPSTAT_WHAT_STOP_NOISY:
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STOP_NOISY\n");
-	  stop_print_frame = 1;
+    case BPSTAT_WHAT_SINGLE:
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_SINGLE\n");
+      ecs->event_thread->stepping_over_breakpoint = 1;
+      /* Still need to check other stuff, at least the case where we
+	 are stepping and step out of the right range.  */
+      break;
 
-	  /* We are about to nuke the step_resume_breakpointt via the
-	     cleanup chain, so no need to worry about it here.  */
+    case BPSTAT_WHAT_STEP_RESUME:
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STEP_RESUME\n");
 
-	  stop_stepping (ecs);
+      delete_step_resume_breakpoint (ecs->event_thread);
+      if (ecs->event_thread->control.proceed_to_finish
+	  && execution_direction == EXEC_REVERSE)
+	{
+	  struct thread_info *tp = ecs->event_thread;
+
+	  /* We are finishing a function in reverse, and just hit the
+	     step-resume breakpoint at the start address of the
+	     function, and we're almost there -- just need to back up
+	     by one more single-step, which should take us back to the
+	     function call.  */
+	  tp->control.step_range_start = tp->control.step_range_end = 1;
+	  keep_going (ecs);
 	  return;
+	}
+      fill_in_stop_func (gdbarch, ecs);
+      if (stop_pc == ecs->stop_func_start
+	  && execution_direction == EXEC_REVERSE)
+	{
+	  /* We are stepping over a function call in reverse, and just
+	     hit the step-resume breakpoint at the start address of
+	     the function.  Go back to single-stepping, which should
+	     take us back to the function call.  */
+	  ecs->event_thread->stepping_over_breakpoint = 1;
+	  keep_going (ecs);
+	  return;
+	}
+      break;
 
-	case BPSTAT_WHAT_STOP_SILENT:
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STOP_SILENT\n");
-	  stop_print_frame = 0;
+    case BPSTAT_WHAT_STOP_NOISY:
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STOP_NOISY\n");
+      stop_print_frame = 1;
 
-	  /* We are about to nuke the step_resume_breakpoin via the
-	     cleanup chain, so no need to worry about it here.  */
+      /* We are about to nuke the step_resume_breakpointt via the
+	 cleanup chain, so no need to worry about it here.  */
 
-	  stop_stepping (ecs);
-	  return;
+      stop_stepping (ecs);
+      return;
 
-	case BPSTAT_WHAT_HP_STEP_RESUME:
-	  if (debug_infrun)
-	    fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_HP_STEP_RESUME\n");
+    case BPSTAT_WHAT_STOP_SILENT:
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_STOP_SILENT\n");
+      stop_print_frame = 0;
 
-	  delete_step_resume_breakpoint (ecs->event_thread);
-	  if (ecs->event_thread->step_after_step_resume_breakpoint)
-	    {
-	      /* Back when the step-resume breakpoint was inserted, we
-		 were trying to single-step off a breakpoint.  Go back
-		 to doing that.  */
-	      ecs->event_thread->step_after_step_resume_breakpoint = 0;
-	      ecs->event_thread->stepping_over_breakpoint = 1;
-	      keep_going (ecs);
-	      return;
-	    }
-	  break;
+      /* We are about to nuke the step_resume_breakpoin via the
+	 cleanup chain, so no need to worry about it here.  */
 
-	case BPSTAT_WHAT_KEEP_CHECKING:
-	  break;
+      stop_stepping (ecs);
+      return;
+
+    case BPSTAT_WHAT_HP_STEP_RESUME:
+      if (debug_infrun)
+	fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_HP_STEP_RESUME\n");
+
+      delete_step_resume_breakpoint (ecs->event_thread);
+      if (ecs->event_thread->step_after_step_resume_breakpoint)
+	{
+	  /* Back when the step-resume breakpoint was inserted, we
+	     were trying to single-step off a breakpoint.  Go back to
+	     doing that.  */
+	  ecs->event_thread->step_after_step_resume_breakpoint = 0;
+	  ecs->event_thread->stepping_over_breakpoint = 1;
+	  keep_going (ecs);
+	  return;
 	}
+      break;
+
+    case BPSTAT_WHAT_KEEP_CHECKING:
+      break;
     }
 
-  /* We come here if we hit a breakpoint but should not
-     stop for it.  Possibly we also were stepping
-     and should stop for that.  So fall through and
-     test for stepping.  But, if not stepping,
-     do not stop.  */
+  /* We come here if we hit a breakpoint but should not stop for it.
+     Possibly we also were stepping and should stop for that.  So fall
+     through and test for stepping.  But, if not stepping, do not
+     stop.  */
 
   /* In all-stop mode, if we're currently stepping but have stopped in
      some other thread, we need to switch back to the stepped thread.  */