[PATCH 00/10] Step over thread exit (PR gdb/27338)

[Pedro Alves]

GDB doesn't handle correctly the case where a thread steps over a
breakpoint (using either in-line or displaced stepping), and the
executed instruction causes the thread to exit.  This series fixes it.

Patch #2 is the core of the fix.

Patch #3 includes new remote protocol bits, and corresponding
documentation changes.  There are no documentation changes anywhere
else in the series.

Pedro Alves (7):
  displaced step: pass down target_waitstatus instead of gdb_signal
  remote+gdbserver: stepped-thread-exited feature
  struct resumed_pending_vcont_info -> struct resume_info
  remote_target::update_thread_list: Don't delete stepping threads
  stop_all_threads: (re-)enable async before waiting for stops
  Tweak gdbserver's no-resumed handling
  lib/my-syscalls.S: Refactor new SYSCALL macro

Simon Marchi (3):
  gdb: clear step over information on thread exit (PR gdb/27338)
  Implement stepped-thread-exited feature on native+gdbserver Linux
  Testcases for stepping over thread exit syscall (PR gdb/27338)

 gdb/NEWS                                      |   5 +
 gdb/displaced-stepping.c                      |  18 +-
 gdb/displaced-stepping.h                      |   2 +-
 gdb/doc/gdb.texinfo                           |  28 ++-
 gdb/gdbarch.c                                 |   4 +-
 gdb/gdbarch.h                                 |  10 +-
 gdb/gdbarch.sh                                |   6 +-
 gdb/infrun.c                                  | 220 ++++++++++++++++--
 gdb/linux-nat.c                               |  41 ++--
 gdb/linux-tdep.c                              |   5 +-
 gdb/linux-tdep.h                              |   2 +-
 gdb/remote.c                                  | 146 +++++++-----
 gdb/target/target.h                           |  10 +-
 ...-over-thread-exit-while-stop-all-threads.c |  77 ++++++
 ...ver-thread-exit-while-stop-all-threads.exp |  69 ++++++
 .../gdb.threads/step-over-thread-exit.c       |  52 +++++
 .../gdb.threads/step-over-thread-exit.exp     |  70 ++++++
 gdb/testsuite/lib/my-syscalls.S               |  50 ++--
 gdb/testsuite/lib/my-syscalls.h               |   5 +
 gdbserver/linux-low.cc                        |  44 ++--
 gdbserver/linux-low.h                         |   2 +
 gdbserver/server.cc                           |  28 ++-
 gdbserver/target.cc                           |   6 +
 gdbserver/target.h                            |   7 +
 24 files changed, 764 insertions(+), 143 deletions(-)
 create mode 100644 gdb/testsuite/gdb.threads/step-over-thread-exit-while-stop-all-threads.c
 create mode 100644 gdb/testsuite/gdb.threads/step-over-thread-exit-while-stop-all-threads.exp
 create mode 100644 gdb/testsuite/gdb.threads/step-over-thread-exit.c
 create mode 100644 gdb/testsuite/gdb.threads/step-over-thread-exit.exp


base-commit: 62194b631d00112bac1f8856d3259d774df4c15e
-- 
2.26.2