[PATCH 00/10] Improve GDB/gdbserver experience when using a local gdbserver

[Andrew Burgess <aburgess@redhat.com>]

The goal of this series is to improve the user experience when using a
local (running on the same machine as GDB) gdbserver.

Outside of testing, there are still plenty of occasions when a user
can end up running gdbserver on the same machine as GDB, tools like
valgrind communicate via the remote protocol, as do many simulators
(other than those built into GDB).

This series includes the following improvements:

  1. Better handling of gdbserver's default executable and arguments.
  This applies to remote gdbservers and local gdbservers,

  2. Allow sysroot 'target:' prefix to be ignored when gdbserver is
  running locally to GDB, and

  3. Allow the user to skip setting 'remote exec-file' if gdbserver is
  running locally to GDB.

---

Andrew Burgess (10):
  gdb: have remote_target::extended_remote_run take the exec filename
  gdb: improve how 'remote exec-file' is stored and accessed
  gdb: improve show text and help text for 'remote exec-file'
  gdb/gdbserver: add new qDefaultExecAndArgs packet
  gdb: detect when gdbserver has no default executable set
  gdb: make use of is_target_filename
  gdb: add qMachineId packet
  gdb: remote filesystem can be local to GDB in some cases
  gdb: use exec_file with remote targets when possible
  gdb: remote the get_remote_exec_file function

 gdb/Makefile.in                               |   3 +
 gdb/NEWS                                      |  45 ++
 gdb/build-id.c                                |   2 +-
 gdb/configure.nat                             |   2 +-
 gdb/doc/gdb.texinfo                           | 160 ++++
 gdb/gdb_bfd.h                                 |   8 +
 gdb/linux-nat.c                               |  35 +
 gdb/nat/linux-machine-id.c                    |  60 ++
 gdb/nat/linux-machine-id.h                    |  44 ++
 gdb/remote-machine-id.c                       |  69 ++
 gdb/remote-machine-id.h                       | 108 +++
 gdb/remote.c                                  | 683 +++++++++++++++---
 gdb/testsuite/gdb.base/remote-exec-file.exp   |   7 +-
 gdb/testsuite/gdb.multi/gdb-settings.exp      |  13 +
 gdb/testsuite/gdb.server/ext-run.exp          | 131 +++-
 .../gdb.server/fetch-exec-and-args.c          |  34 +
 .../gdb.server/fetch-exec-and-args.exp        | 253 +++++++
 gdb/testsuite/gdb.server/server-local-fs.c    |  22 +
 gdb/testsuite/gdb.server/server-local-fs.exp  | 138 ++++
 gdb/testsuite/gdb.server/sysroot.exp          |  90 +--
 gdbserver/Makefile.in                         |   1 +
 gdbserver/configure.srv                       |   2 +-
 gdbserver/linux-low.cc                        |  19 +
 gdbserver/linux-low.h                         |   2 +
 gdbserver/server.cc                           |  47 ++
 gdbserver/target.cc                           |   8 +
 gdbserver/target.h                            |   9 +
 27 files changed, 1835 insertions(+), 160 deletions(-)
 create mode 100644 gdb/nat/linux-machine-id.c
 create mode 100644 gdb/nat/linux-machine-id.h
 create mode 100644 gdb/remote-machine-id.c
 create mode 100644 gdb/remote-machine-id.h
 create mode 100644 gdb/testsuite/gdb.server/fetch-exec-and-args.c
 create mode 100644 gdb/testsuite/gdb.server/fetch-exec-and-args.exp
 create mode 100644 gdb/testsuite/gdb.server/server-local-fs.c
 create mode 100644 gdb/testsuite/gdb.server/server-local-fs.exp


base-commit: a345d14fa65c2b69f2ba3abac8847b1c6a4dc656
-- 
2.25.4