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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [testsuite/] [config/] [gdbserver.exp] - Rev 1765

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# Test Framework Driver for GDB using the extended gdb remote protocol
#   Copyright 1995, 1997 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
#
# For this to function correctly, you need to set a number of variables
# in your gdb/site.exp file
#
#       set noargs 1            -- we can't pass arguments (yet)
#       set noinferiorio 1      -- we can't get io to/from the inferior
#       set targethost <host>   -- name of the remote system (runs gdbserver)
#       set debughost <host>    -- name of the system running gdb
#       set port <number>       -- starting port number for communication
#       set gdbserver <path>    -- path (on the remote side) to find
#                                  gdbserver
#       set rsh <path>          -- path (on debughost side) to rsh
#       set rcp <path>          -- path (on debughost side) to rcp
#       
# You will need to be able to spawn processes from gdbhost to run on
# targethost via rsh (this is how we start gdbserver); similarly
# you need to be able to rcp files from gdbhost to targethost.
#
# We don't do much error checking, if something goes wrong, you'll probably
# just get a tcl error and everything will die.  FIXME
#

# Load the basic gdb testing library
load_lib gdb.exp
load_lib monitor.exp

#
# gdb_load -- load a file into the debugger.
#             return a -1 if anything goes wrong.
#
# Loading a file in the gdbsrever framework is a little strange in that
# we also create the inferior (which is stopped at the first instruction
# in the program when we get control).
#
proc gdb_load { arg } {
    global verbose
    global loadpath
    global loadfile
    global GDB
    global gdb_prompt
    global debughost
    global port

    # bump the port number to avoid conflicts with hung ports
    set targethost [target_info gdb_server_host];
    set debughost [target_info gdb_debug_host];
    if [target_info exists gdb_server_prog] {
        set gdbserver [target_info gdb_server_prog];
    } else {
        set gdbserver "gdbserver";
    }
    incr port
    set serialport $targethost:$port
     
    # Copy the file down to the remote host.
    set file [remote_download host $arg];

    # now start gdbserver on the remote side
    remote_spawn host "$gdbserver $debughost:$port $file >& /dev/null < /dev/null"
 
    # give it plenty of time to get going (lynx)
    sleep 30

    # tell gdb we are remote debugging
    if [gdb_target_monitor $arg] {
        return -1;
    }

    return 1
}

#
# gdb_start -- start GDB running.
#
proc gdb_start { } {
    global gdb_prompt

    # do the usual stuff
    catch default_gdb_start

    # FIXME: This shouldn't be necessary, but lots of PA tests fail
    # without it.
    send "set remotecache 0\n"
    expect {
        -re "set remotecache 0\[\r\n\]+.*$gdb_prompt $" {}
        default { fail "gdb_start"}
    }
}

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