blob: c13fe117662c220df785f162e1dd868ccaf35d56 [file] [log] [blame]
# Copyright (C) 2011-2021 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/>.
# Specialized subroutines for launching gdb and testing the very first prompt.
#
# start gdb -- start gdb running, prompt procedure
# this procedure differs from the default in that you must pass 'set height 0',
# and 'set width 0', yourself in GDBFLAGS, and it has a gdb_prompt_fail variable,
#
# uses pass if it sees $gdb_prompt, and fail if it sees $gdb_prompt_fail.
#
proc default_prompt_gdb_start { } {
global GDB
global INTERNAL_GDBFLAGS GDBFLAGS
global gdb_prompt
global gdb_prompt_fail
global timeout
global gdb_spawn_id
verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
if [info exists gdb_spawn_id] {
return 0
}
if ![is_remote host] {
if { [which $GDB] == 0 } then {
perror "$GDB does not exist."
exit 1
}
}
set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]"]
if { $res < 0 || $res == "" } {
perror "Spawning $GDB failed."
return 1
}
gdb_expect 360 {
-re ".*$gdb_prompt_fail.*$gdb_prompt_fail.*" {
fail "double prompted fail prompt"
}
-re ".*$gdb_prompt.*$gdb_prompt.*" {
fail "double prompted"
}
-re "\[\r\n\]$gdb_prompt_fail $" {
fail "GDB initializing first prompt"
}
-re "\[\r\n\]$gdb_prompt $" {
pass "GDB initializing first prompt"
}
-re "$gdb_prompt $" {
perror "GDB never initialized."
return -1
}
-re "$gdb_prompt_fail $" {
perror "GDB never initialized."
return -1
}
timeout {
perror "(timeout) GDB never initialized after 10 seconds."
remote_close host
return -1
}
}
set gdb_spawn_id $res
return 0
}
#
# Overridable function. You can override this function in your
# baseboard file.
#
proc prompt_gdb_start { } {
default_prompt_gdb_start
}