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[PATCH 07/17] btrace: add missing NO_HISTORY


If a single-step ended right at the end of the execution history, we forgot
to announce that.  Fix it.

2015-09-09  Markus Metzger <markus.t.metzger@intel.com>

gdb/
	* record-btrace.c (record_btrace_single_step_forward): Return
	NO_HISTORY if a step brings us to the end of the execution history.
---
 gdb/record-btrace.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c
index 5e8c1d4..fcd4351 100644
--- a/gdb/record-btrace.c
+++ b/gdb/record-btrace.c
@@ -2061,7 +2061,10 @@ record_btrace_single_step_forward (struct thread_info *tp)
 
   /* We stop replaying if we reached the end of the trace.  */
   if (btrace_insn_cmp (replay, &end) == 0)
-    record_btrace_stop_replaying (tp);
+    {
+      record_btrace_stop_replaying (tp);
+      return btrace_step_no_history ();
+    }
 
   return btrace_step_spurious ();
 }
-- 
1.8.3.1


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