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# Copyright (C) 2015 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/>.
# Check that "gdb -batch -ex run" does not leave the terminal in the
# wrong state.
standard_testfile
if {[build_executable "failed to prepare" $testfile $srcfile debug] == -1} {
return -1
}
set file_arg $binfile
if [is_remote host] {
set file_arg [remote_download host $file_arg]
}
global GDBFLAGS
set saved_gdbflags $GDBFLAGS
# The shell's prompt.
set shell_prompt "$ "
set shell_prompt_re [string_to_regexp $shell_prompt]
# Spawn shell. Returns true on success, false otherwise.
proc spawn_shell {} {
global shell_prompt_re
set res [remote_spawn host "/bin/sh"]
if { $res < 0 || $res == "" } {
unsupported "Spawning shell failed."
return 0
}
set gotit 0
set test "spawn shell"
gdb_expect {
-re "$shell_prompt_re$" {
pass $test
set gotit 1
}
timeout {
fail "$test (timeout)"
}
eof {
fail "$test (eof)"
}
}
return $gotit
}
# Exit the shell.
proc exit_shell {} {
global shell_prompt_re
set test "exit shell"
send_gdb "exit\n"
gdb_expect {
timeout {
fail "$test (timeout)"
return 0
}
eof {
pass "$test"
}
}
if ![is_remote host] {
remote_close host
}
}
# Run "stty" and store the output in $result. Returns true on
# success, false otherwise.
proc run_stty {message result} {
global shell_prompt_re
upvar $result output
send_gdb "stty || echo \"not found\"\n"
set gotit 0
gdb_expect {
-re "not found.*not found.*$shell_prompt_re$" {
pass "$message (not found)"
}
-re "(.*)$shell_prompt_re$" {
set output $expect_out(1,string)
set gotit 1
pass $message
}
timeout {
fail "$message (timeout)"
}
eof {
fail "$message (eof)"
}
}
return $gotit
}
# Check that "gdb -batch -ex run" does not leave the terminal in the
# wrong state.
proc test_terminal_settings_preserved {} {
global file_arg
global GDB INTERNAL_GDBFLAGS GDBFLAGS
global gdb_prompt pagination_prompt
global saved_gdbflags
global shell_prompt_re
if ![spawn_shell] {
return
}
set stty_supported [run_stty "stty before" stty_before]
set test "gdb -batch -ex run"
set GDBFLAGS $saved_gdbflags
append GDBFLAGS " -batch"
append GDBFLAGS " -ex \"set height unlimited\""
append GDBFLAGS " -ex \"start\""
append GDBFLAGS " --args \"$file_arg\""
send_gdb "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]\n"
gdb_expect {
-re "Don't know how to run.*$shell_prompt_re$" {
unsupported $test
}
-re "$gdb_prompt $" {
# -batch implies no GDB prompt.
fail $test
}
-re "Temporary breakpoint .*$shell_prompt_re$" {
pass $test
}
timeout {
fail "$test (timeout)"
}
eof {
fail "$test (eof)"
}
}
set test "echo test_echo"
send_gdb "echo test_echo\n"
gdb_expect {
-re "^echo test_echo\r\ntest_echo\r\n.*$shell_prompt_re$" {
pass $test
}
timeout {
fail "$test (timeout)"
}
eof {
fail "$test (eof)"
}
}
set test "terminal settings preserved"
if $stty_supported {
run_stty "stty after" stty_after
gdb_assert [string equal $stty_before $stty_after] $test
} else {
unsupported "$test (no stty)"
}
exit_shell
}
test_terminal_settings_preserved
set GDBFLAGS $saved_gdbflags
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