# Test Framework Driver for GDB driving a ROM monitor (via monitor.c).
#   Copyright 1995 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.  */

load_lib gdb.exp

#
# gdb_version -- extract and print the version number of gdb
#
proc gdb_version {} {
    default_gdb_version
}

#
# gdb_target_monitor
# Set gdb to target the monitor
#
proc gdb_target_monitor { } {
    global prompt
    global exit_status
    global targetname
    global serialport
    global baud

    set timeout 60
    for {set i 1} {$i <= 3} {incr i} {
	send "target $targetname $serialport\n"
	expect {
		-re "Remote target $targetname connected to.*$prompt $"	{
		     verbose "Set target to $targetname"
		     return
		}
		-re "Connection refused" {
		    verbose "Connection refused by remote target.  Pausing, and trying again."
		    sleep 30
		    continue
		}
		timeout { 
		    break
		}
	}
    }

    perror "Couldn't set target for $targetname."
    cleanup
    exit $exit_status
}

#
# gdb_load -- load a file into the debugger.
#             return a -1 if anything goes wrong.
#
proc gdb_load { arg } {
    global verbose
    global loadpath
    global loadfile
    global GDB
    global prompt

    if [gdb_file_cmd $arg] then { return -1 }

    gdb_target_monitor

    send "load\n"
    set timeout 600
    expect {
	-re ".*$prompt $" {
	    if $verbose>1 then {
		send_user "Loaded $arg into $GDB\n"
	    }
	    return 1
	}
	-re "$prompt $"     {
	    if $verbose>1 then {
	 perror "GDB couldn't load."
	    }
	}
	timeout {
	    if $verbose>1 then {
	 perror "Timed out trying to load $arg."
	    }
	}
    }
}

#
# gdb_start -- start GDB running.
#
proc gdb_start { } {
    default_gdb_start
}

#
# gdb_exit -- exit gdb
#
proc gdb_exit { } {
    catch default_gdb_exit
}

gdb_start
