[PING 02][PATCH v4 00/11] Add AlwaysNonStop remote protocol extension

["Bouhaouel, Mohamed" <mohamed.bouhaouel@intel.com>]

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Hi,

Kindly pinging.

Thanks,

--Mohamed



________________________________
From: Mohamed Bouhaouel
Sent: Tuesday, July 14, 2026 11:24 AM
To: gdb-patches@sourceware.org
Cc: Metzger, Markus T; Rohr, Stephan; eliz@gnu.org; aburgess@redhat.com; pedro@palves.net
Subject: Re: [PATCH v4 00/11] Add AlwaysNonStop remote protocol extension

From: "Bouhaouel, Mohamed" <mohamed.bouhaouel@intel.com>

Hi,

This series introduces the AlwaysNonStop extension, enabling remote
stubs to declare preferable non-stop mode operation.  When advertised,
GDB defaults to non-stop mode.  Attempts to disable it might be rejected
by the stub with a descriptive error message.

The V1/V2 approach raised 'O' and 'F' packet compatibility concerns in
non-stop mode; this extension-based design addresses those risks
(discussed with Pedro Alves).

Key change from V3:

Relaxed the extension from a must target-non-stop to a prefer
target-non-stop.  This will leave it the stub to decide if switching to
all-stop mode is allowed.

Additionally, added a gdbserver cli option, --enable-packet=PACKET, to
enable specific remote protocol packets or extensions at startup.  Used
to add a test for the new 'AlwaysNonStop' extension.

Link to previous versions:

  * V3 link: https://inbox.sourceware.org/gdb-patches/20260706121124.18784-1-mohamed.bouhaouel@intel.com/
  * V2 link: https://inbox.sourceware.org/gdb-patches/20260611153232.3011-1-mohamed.bouhaouel@intel.com/
  * V1 link: https://inbox.sourceware.org/gdb-patches/20260518183316.127043-1-mohamed.bouhaouel@intel.com/

Bouhaouel, Mohamed (8):
  gdb, remote: fix assertion on reconnect to non-stop target
  gdb, remote: fix async handler assertion on reconnect to non-stop
    target
  gdb, remote: fix "info program" after reconnect to non-stop target
  gdb, remote: fix crash when accessing removed events
  gdb, testsuite: handle async close in monitor-exit-quit.exp
  gdb, testsuite: update attach-deleted-exec.exp to handle async
    messages
  gdb, testsuite: add kfails for step-over-process-exit.exp
  gdb, gdbserver: add AlwaysNonStop remote protocol extension

Markus Metzger (1):
  gdb, record: fix assertion when remote target is set to non-stop

Rohr, Stephan (2):
  gdb, remote: fix ptid matching for process-wide stop events
  gdb, dap: fix DAP events if no thread is selected

 gdb/NEWS                                      | 13 +++
 gdb/doc/gdb.texinfo                           | 46 ++++++++++-
 gdb/python/lib/gdb/dap/events.py              | 15 +++-
 gdb/record-full.c                             |  3 +-
 gdb/remote.c                                  | 68 ++++++++++++----
 .../gdb.base/attach-deleted-exec.exp          | 59 ++++++++------
 .../gdb.server/enable-always-non-stop.exp     | 56 +++++++++++++
 .../gdb.server/monitor-exit-quit.exp          | 21 ++++-
 .../gdb.threads/step-over-process-exit.exp    |  6 ++
 gdbserver/server.cc                           | 79 +++++++++++++++++--
 gdbserver/server.h                            |  2 +
 gdbserver/target.cc                           |  6 ++
 gdbserver/target.h                            |  6 ++
 13 files changed, 328 insertions(+), 52 deletions(-)
 create mode 100644 gdb/testsuite/gdb.server/enable-always-non-stop.exp

--
2.43.0

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