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# Copyright 1988, 1990-1992, 1995, 1997, 2007-2012 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 3 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, see <http://www.gnu.org/licenses/>.
# This file was written by Rob Savoye. (rob@cygnus.com)
#
# load support libraries
#
load_lib remote.exp
load_lib gdb.exp
set shell_prompt "->"
set gdb_prompt "\\(vxgdb\\)"
#
# gdb_version -- extract and print the version number of gcc
#
proc gdb_version {} {
default_gdb_version
}
#
# gdb_load -- load a file into the debugger.
# We have to stop and start gdb each time we do this, because when
# vxgdb loads two files in a row, the symbols in the first file loaded
# take precedence. Returns -1 on error, else 0.
#
proc gdb_load { arg } {
set result 0
if { [remote_ld target $arg] != 0 } {
perror "Couldn't load $arg"
return -1
}
return [gdb_file_cmd $arg]
}
#
# gdb_start -- start gdb running
#
proc gdb_start { } {
global gdb_prompt
global verbose
global connectmode
global reboot
# get a connection to the board
for { set x 0 } { $x < 3 } { incr x } {
set shell_id [remote_open target]
if { $shell_id > 0 } {
verbose "Spawn id for remote shell is $shell_id"
set timeout 10
verbose "Timeout is now $timeout seconds" 2
set state [spawn_vxgdb];
if { $state == "pass" } {
return 0;
}
if { $state == "fail" } {
return -1;
}
}
remote_reboot target;
}
}
proc spawn_vxgdb { } {
global gdb_prompt
default_gdb_start
# set the default arguments to "main", so that "run" with no
# arguments will work correctly.
send_gdb "set args main\n"
gdb_expect -re ".*$gdb_prompt $" {}
verbose "Setting up target, Please wait..."
# set targets hostname
send_gdb "target vxworks [target_info hostname]\n"
set timeout 60
verbose "Timeout is now $timeout seconds" 2
gdb_expect {
-re "Done\..*$gdb_prompt $" {
verbose "Set target to [target_info hostname]" 1
set timeout 10;
return "pass";
}
-re "net_connect: RPC: (Program not registered|.*Timed out).*$" {
warning "Couldn't set GDB to target [target_info netport]."
}
timeout {
warning "Couldn't set target for vxworks."
}
}
return "retry";
}
proc gdb_exit { } {
remote_close target;
catch default_gdb_exit
}
#expect_after {
# "<return>" { send "\n"; perror "Window too small." }
# -re "\(y or n\) " { send "n\n"; perror "Got interactive prompt." }
# buffer_full { perror "internal buffer is full." }
# eof { perror "eof -- pty is hosed." }
# timeout { perror "timeout." }
# "virtual memory exhausted" { perror "virtual memory exhausted." }
# "Undefined command" { perror "send string probably wrong." }
#}
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