89 lines
2.4 KiB
Text
89 lines
2.4 KiB
Text
# Copyright (C) 2011-2022 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Specialized subroutines for launching gdb and testing the very first prompt.
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#
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# start gdb -- start gdb running, prompt procedure
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# this procedure differs from the default in that you must pass 'set height 0',
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# and 'set width 0', yourself in GDBFLAGS, and it has a gdb_prompt_fail variable,
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#
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# uses pass if it sees $gdb_prompt, and fail if it sees $gdb_prompt_fail.
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#
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proc default_prompt_gdb_start { } {
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global GDB
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global INTERNAL_GDBFLAGS GDBFLAGS
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global gdb_prompt
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global gdb_prompt_fail
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global timeout
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global gdb_spawn_id
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verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
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if [info exists gdb_spawn_id] {
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return 0
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}
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if ![is_remote host] {
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if { [which $GDB] == 0 } then {
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perror "$GDB does not exist."
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exit 1
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}
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}
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set res [remote_spawn host "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]"]
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if { $res < 0 || $res == "" } {
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perror "Spawning $GDB failed."
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return 1
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}
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gdb_expect 360 {
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-re ".*$gdb_prompt_fail.*$gdb_prompt_fail.*" {
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fail "double prompted fail prompt"
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}
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-re ".*$gdb_prompt.*$gdb_prompt.*" {
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fail "double prompted"
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}
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-re "\[\r\n\]$gdb_prompt_fail $" {
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fail "GDB initializing first prompt"
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}
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-re "\[\r\n\]$gdb_prompt $" {
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pass "GDB initializing first prompt"
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}
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-re "$gdb_prompt $" {
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perror "GDB never initialized."
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return -1
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}
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-re "$gdb_prompt_fail $" {
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perror "GDB never initialized."
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return -1
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}
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timeout {
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perror "(timeout) GDB never initialized after 10 seconds."
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remote_close host
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return -1
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}
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}
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set gdb_spawn_id $res
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return 0
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}
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#
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# Overridable function. You can override this function in your
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# baseboard file.
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#
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proc prompt_gdb_start { } {
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default_prompt_gdb_start
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}
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