[PATCH 0/4] gdb, btrace: infrun fixes

[Metzger, Markus T]

Thanks, Simon,

Adding Pedro and Tom.  Maybe they can help review the infrun changes or recommend
someone who is familiar with that code.

Regards,
Markus.

>> This small patch series fixes a few issues around reverse/replay stepping that
>> result in hangs.
>>
>> Tested with record btrace on IA.
>>
>> Markus Metzger (4):
>>   gdb, infrun, btrace: fix reverse/replay stepping at end of execution
>>     history
>>   gdb, infrun, record: fix hang when step-over fails with no-history
>>   gdb, infrun, record: move no-history notification into normal_stop
>>   gdb, infrun: fix multi-threaded reverse stepping
>>
>>  gdb/gdbthread.h                               |   7 ++
>>  gdb/infrun.c                                  |  87 +++++++++++----
>>  gdb/record-btrace.c                           |  19 ++--
>>  gdb/testsuite/gdb.btrace/cont-hang.exp        |  47 ++++++++
>>  .../gdb.btrace/implicit-stop-replaying.exp    | 105 ++++++++++++++++++
>>  .../gdb.btrace/multi-thread-break-hang.exp    |  92 +++++++++++++++
>>  gdb/testsuite/gdb.btrace/step-hang.exp        |  46 ++++++++
>>  gdb/testsuite/gdb.btrace/stepn.exp            |  56 ++++++++++
>>  8 files changed, 430 insertions(+), 29 deletions(-)
>>  create mode 100644 gdb/testsuite/gdb.btrace/cont-hang.exp
>>  create mode 100644 gdb/testsuite/gdb.btrace/implicit-stop-replaying.exp
>>  create mode 100644 gdb/testsuite/gdb.btrace/multi-thread-break-hang.exp
>>  create mode 100644 gdb/testsuite/gdb.btrace/step-hang.exp
>>  create mode 100644 gdb/testsuite/gdb.btrace/stepn.exp
>>
>
>I went through the patches.  I know next to nothing about the reverse
>execution mechanism, and don't really have time these days to get up to
>speed to understand the problems and associated fixes, so I hope that
>someone more qualified can take a look and approve (although I know that
>this area has not been touched by many people, so I don't know who that
>would be).
>
>All I can say is that the tests look well written and adequately
>commented, such that if I ever had to debug them, I would be able to
>understand the original intentions.
>
>Simon
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