739b3f1d8f
This commit finally clears the "isremote" flag in the native-gdbserver
and native-stdio-gdbserver boards. The goal is to make all "native"
boards be considered not remote in DejaGnu terms, like the
native-extended-gdbserver board is too.
DejaGnu automatically considers boards remote if their names don't
match the local hostname. That means that native-gdbserver and
native-extended-gdbserver are considered remote by default by DejaGnu,
even though they run locally. native-extended-gdbserver, however,
overrides its isremote flag to force it to be not remote. So we are
in that weird state where native-gdbserver is considered remote, and
native-extended-gdbserver is considered not remote.
A recent set of commits fixed all the problems (and some more) exposed
by testing with --target_board=native-gdbserver and
--target_board=native-stdio-gdbserver with isremote forced off on
x86-64 GNU/Linux. I believe we're good to go now.
The native-stdio-gdbserver.exp/remote-stdio-gdbserver.exp boards
required deep non-obvious modifications unfortunately... The problem
is that if a board is not remote, then DejaGnu doesn't call
${board}_spawn / ${board}_exec at all, and the
native-stdio-gdbserver.exp board relies on those procedures being
called. To fix that, this commit redesigns how the stdio boards hook
into the testing framework to spawn gdbserver. IMO, this is a good
change anyway, because the way its done currently is a bit of a hack,
and the result turns out to be simpler, even. With this commit, they
now no longer load the "gdbserver" generic config, and hook at the
mi_gdb_target_load/gdb_reload level instead, making them more like
traditional board files.
To share code between native-stdio-gdbserver.exp and
remote-stdio-gdbserver.exp, a new shared stdio-gdbserver-base.exp file
is created.
Instead of having each native board clear isremote manually, boards
source the new "local-board.exp" file.
This also adds a new section to testsuite/README file discussing
local/remote/native, so that we can easily refer to it.
gdb/testsuite/ChangeLog:
2017-10-16 Pedro Alves <palves@redhat.com>
Simon Marchi <simon.marchi@polymtl.ca>
* README (Local vs Remote vs Native): New section.
* boards/local-board.exp: New file, with bits factored out from
...
* boards/native-extended-gdbserver.exp: ... here. Load
"local-board".
* boards/native-gdbserver.exp: Load "local-board".
(${board}_spawn, ${board}_exec): Delete.
* boards/native-stdio-gdbserver.exp: Most contents factored out to
...
* boards/stdio-gdbserver-base.exp: ... this new file.
* boards/native-stdio-gdbserver.exp: Reimplement, by loading
"stdio-gdbserver-base" and defining a get_target_remote_pipe_cmd
procedure.
* boards/remote-stdio-gdbserver.exp: Load stdio-gdbserver-base
instead of native-stdio-gdbserver. Don't set gdb_server_prog nor
stdio_gdbserver_command.
(${board}_get_remote_address, ${board}_get_comm_port)
(${board}_download, ${board}_upload): Delete.
(get_target_remote_pipe_cmd): New.
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24 lines
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# Copyright 2011-2017 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# By default, DejaGnu makes the board remote unless the board name
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# matches localhost. Sourcing this script from a board file forces
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# the board to be NOT remote.
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global board
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global board_info
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# Remove any target variant specifications from the name.
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set baseboard [lindex [split $board "/"] 0]
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set board_info($baseboard,isremote) 0
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