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

   1 # Copyright 2011-2013 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 into sockethost to pass our peculiar remote connection string.
  33 set_board_info sockethost "stdio"
  34 set_board_info gdb,socketport ""
  35 set_board_info gdb,get_remote_address ${board}_get_remote_address
  36 set_board_info use_gdb_stub 1
  37
  38 # We will be using the standard GDB remote protocol.
  39 set_board_info gdb_protocol "remote"
  40
  41 # The argument to pass to "target remote".
  42 # We build this once we know how the testsuite will start gdbserver.
  43 set stdio_gdbserver_template "| @GDBSERVER_PROG@ @ARGS@ stdio @PROG_AND_ARGS@"
  44
  45 # Used to pass a value between ${board}_spawn and ${board}_get_remote_address.
  46 set stdio_gdbserver_command "--unset--"
  47
  48 proc ${board}_get_remote_address { host port } {
  49     global stdio_gdbserver_command
  50     return $stdio_gdbserver_command
  51 }
  52
  53 proc ${board}_build_remote_cmd { cmd } {
  54     global stdio_gdbserver_template
  55
  56     # First parse $cmd, picking out the various pieces.
  57     set gdbserver_prog [lindex $cmd 0]
  58     set args ""
  59     set len [llength $cmd]
  60
  61     for { set i 1 } { $i < $len } { incr i } {
  62         set elm [lindex $cmd $i]
  63         switch -- $elm {
  64             --multi {
  65                 set args "$args $elm"
  66             }
  67             --once {
  68                 set args "$args $elm"
  69             }
  70             default {
  71                 break
  72             }
  73         }
  74     }
  75
  76     set prog_and_args [lrange $cmd $i end]
  77
  78     set buf $stdio_gdbserver_template
  79
  80     regsub {@GDBSERVER_PROG@} $buf $gdbserver_prog buf
  81     regsub {@ARGS@} $buf $args buf
  82     regsub {@PROG_AND_ARGS@} $buf $prog_and_args buf
  83
  84     return $buf
  85 }
  86
  87 proc ${board}_spawn { board cmd } {
  88     global board_info
  89
  90     verbose -log "${board}_spawn: $board $cmd"
  91
  92     # Convert the command to start gdbserver to something to pass to
  93     # "target remote | ..." and save it for later retrieval by
  94     # ${board}_get_remote_address.
  95     global stdio_gdbserver_command
  96     set stdio_gdbserver_command [${board}_build_remote_cmd $cmd]
  97     verbose -log "gdbserver_command: $stdio_gdbserver_command"
  98
  99     set baseboard [lindex [split $board "/"] 0]
 100
 101     # We don't spawn gdbserver here, that is done by the subsequent
 102     # "target remote | ..." command.
 103     set board_info($baseboard,isremote) 0
 104     # Pretend as if we've started gdbserver, provide the test harness
 105     # with what it's waiting for.
 106     set result [remote_spawn $board "echo Listening on stdio"]
 107     set board_info($baseboard,isremote) 1
 108
 109     return $result
 110 }
 111
 112 proc ${board}_exec { hostname program args } {
 113     global board_info
 114
 115     set baseboard [lindex [split $hostname "/"] 0]
 116
 117     set board_info($baseboard,isremote) 0
 118     set result [remote_exec $hostname $program $args]
 119     set board_info($baseboard,isremote) 1
 120
 121     return $result
 122 }