gdb/testsuite/boards/native-stdio-gdbserver.exp

   1 # Copyright 2011-2016 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is a dejagnu "board file" and is used to run the testsuite
  17 # natively with gdbserver using stdio for comms.
  18 #
  19 # To use this file:
  20 # bash$ cd ${build_dir}/gdb
  21 # bash$ make check RUNTESTFLAGS="--target_board=native-stdio-gdbserver"
  22
  23 load_generic_config "gdbserver"
  24 load_board_description "gdbserver-base"
  25
  26 # This gdbserver can only run a process once per session.
  27 set_board_info gdb,do_reload_on_run 1
  28
  29 # There's no support for argument-passing (yet).
  30 set_board_info noargs 1
  31
  32 # Hack the host,port to pass our peculiar remote connection string.
  33 set_board_info sockethost ""
  34 set_board_info gdb,socketport "stdio"
  35 set_board_info gdb,get_remote_address ${board}_get_remote_address
  36 set_board_info gdbserver,get_comm_port ${board}_get_comm_port
  37
  38 set_board_info use_gdb_stub 1
  39 set_board_info exit_is_reliable 1
  40
  41 # We will be using the standard GDB remote protocol.
  42 set_board_info gdb_protocol "remote"
  43
  44 # Used to pass a value between ${board}_spawn and ${board}_get_remote_address.
  45 set stdio_gdbserver_command "--unset--"
  46
  47 proc ${board}_get_remote_address { host port } {
  48     global stdio_gdbserver_command
  49     return "| $stdio_gdbserver_command"
  50 }
  51
  52 proc ${board}_get_comm_port { port } {
  53     return $port
  54 }
  55
  56 proc ${board}_spawn { board cmd } {
  57     global board_info
  58
  59     verbose -log "${board}_spawn: $board $cmd"
  60
  61     # Save the command to start gdbserver for later retrieval by
  62     # ${board}_get_remote_address.
  63     global stdio_gdbserver_command
  64     set stdio_gdbserver_command $cmd
  65
  66     set baseboard [lindex [split $board "/"] 0]
  67
  68     # We don't spawn gdbserver here, that is done by the subsequent
  69     # "target remote | ..." command.
  70     set board_info($baseboard,isremote) 0
  71     # Pretend as if we've started gdbserver, provide the test harness
  72     # with what it's waiting for.
  73     set result [remote_spawn $board "echo Listening on stdio"]
  74     set board_info($baseboard,isremote) 1
  75
  76     return $result
  77 }
  78
  79 proc ${board}_exec { hostname program args } {
  80     global board_info
  81
  82     set baseboard [lindex [split $hostname "/"] 0]
  83
  84     set board_info($baseboard,isremote) 0
  85     set result [remote_exec $hostname $program $args]
  86     set board_info($baseboard,isremote) 1
  87
  88     return $result
  89 }