gdb, btrace, pt: ignore status update enable events

Future versions of libipt report enable/disable status updates on PSB+.
Ignore them.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7c6ec9622b0db2769399c23dd556118ac46d34c1..2423d47c19235bb6fbb699dc65a9e8c24b22d3aa 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2021-05-12  Markus Metzger  <markus.t.metzger@intel.com>
+
+       * btrace.c (handle_pt_insn_events): Ignore status update enable
+       events.
+
 2021-05-11  Simon Marchi  <simon.marchi@polymtl.ca>
 
        * arm-tdep.c (arm_record_data_proc_misc_ld_str): Fix

diff --git a/gdb/btrace.c b/gdb/btrace.c
index c697f37f46c0ecae7b46c13fd743afcd13430485..17eb56c6d0597d1a018b72743fac0baa24af0a1d 100644 (file)
--- a/gdb/btrace.c
+++ b/gdb/btrace.c
@@ -1222,6 +1222,9 @@ handle_pt_insn_events (struct btrace_thread_info *btinfo,
          break;
 
        case ptev_enabled:
+         if (event.status_update != 0)
+           break;
+
          if (event.variant.enabled.resumed == 0 && !btinfo->functions.empty ())
            {
              bfun = ftrace_new_gap (btinfo, BDE_PT_DISABLED, gaps);